Algebra questions with steps

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Mathematics

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My Notes Ask Your Teacher 1. -/3.57 points LarinterAlg6 1.4.011. Identify the terms and coefficients of the algebraic expression. (Enter your answers as a comma-separated list.) xy - 2x2y +9y2 terms Xy, - 212972 coefficients Need Help? Reda Viewing Saved Work Revert to Last Response My Notes Ask Your Teacher 2.-13.57 points LarinterAlg6 1.4.024. Simplify the expression by combining like terms. -4a + 16b - 3a - b Need Help? Pants Tue My Notes Ask Your Teacher 3. -/3.57 points LarinterAlg6 1.4.037. Simplify the expression. -5(3y - 1) + 7(y - 4) Need Help? Pastas Q My Notes Ask Your Teacher 4. -/3.57 points LarinterAlg6 1.4.038.MI. Simplify the expression. 5(a + 6) - 6(2a - 1) Need Help? Read Tutor My Notes Ask Your Teacher 5 .-/3.57 points Larinter Alg6 1.4.043. Simplify the expression. 3a - [y - 8(8a -9)] Need Help? Pada Tute My Notes Ask Your Teacher 6 .-/3.57 points Larinter Alg6 1.4.044. Simplify the expression. 18b - [9 - 9(2b-9)] Need Help? PART My Notes Ask Your Teacher 7.-/3.57 points Larinter Alg6 1.4.055. Evaluate the expression for the specified values of the variable. (If an answer is undefined, enter UNDEFINED.) y2-y + 5 (a) y = 6 (b) y = -6 Need Help? Pada Tuter My Notes Ask Your Teacher 8. -/3.57 points LarinterAlg6 1.4.054. Evaluate the expression for the specified values of the variable. (If an answer is undefined, enter UNDEFINED.) 3y2 + 10 (a) y = -2 (b) y = } Need Help? Read our My Notes Ask Your Teacher 9 .-/3.57 points LarinterAlg6 1.4.079. Identify the property of algebra illustrated by the statement. (5-4)= 5x - 4x Commutative Property of Addition Commutative Property of Multiplication Associative Property of Addition Associative Property of Multiplication Distributive Property . Additive Identity Property Multiplicative Identity Property Additive Inverse Property Multiplicative Inverse Property Need Help? Pada 10. My Notes Ask Your Teacher -/3.57 points LarInterAlg6 1.4.091. Evaluate the expression for the specified values of the variables. x2 + y2 (a) x = 0, y = 5 (b) X = 1, y = -2 Need Help? Read Tea Tur My Notes Ask Your Teacher 11 .-/3.57 points LarInterAlg6 1.4.093. Find the volume of the rectangular solid by evaluating the expression lwh for the dimensions given in the figure. ft 7 6 Need Help? Read Tutor 12. My Notes Ask Your Teacher -/3.57 points LarinterAlg6 1.5.006. Translate the verbal phrase into an algebraic expression. Eleven decreased by four times a number n Need Help? Path Tu My Notes Ask Your Teacher 13. -/3.57 points LarinterAlg6 1.5.053. Write expressions for the perimeter and area of the region. Simplify the expressions. perimeter area Need Help? Read our My Notes Ask Your Teacher 14. -/3.57 points LarInterAlg6 1.5.057. Write an algebraic expression that represents the specified quantity, and simplify, if possible. The sum of three consecutive integers, the first of which is n Need Help? haha My Notes Ask Your Teacher 15 .-/3.57 points LarinterAlg6 2.3.017. A shoe store sells a pair of athletic shoes for $79. The shoes go on sale for $49. What is the discount? $ Need Help? Read like Tutor 16. My Notes Ask Your Teacher -/3.57 points LarinterAlg6 2.3.022. Determine the numbers of units of solutions 1 and solution 1 L solution 2 L needed to obtain a final solution of the specified amount and concentration. Concentration of Solution 1 Concentration of Solution 2 Concentration Amount of Final of Final Solution Solution 65% 5 L 50% 75% Need Help? A. Ask Your Teacher 17. -/3.57 points Larinter Alg6 2.3.026. My Notes A grocer mixes two kinds of nuts costing $5.41 per pound and $6.41 per pound to make 100 pounds of mixture costing $5.81 per pound. How many pounds of each kind of nut are in the mixture? lb at $5.41 Ib at $6.41 Need Help? Rand Tea Tutor My Notes Ask Your Teacher 18 .-/3.57 points Larinter Alg6 2.2.004. Complete the table showing the equivalent forms of the percent. Parts out Percent of 100 Decimal Fraction 60% Need Help? Para My Notes Ask Your Teacher 19. -/3.57 points LarinterAlg6 2.2.011. Solve using a percent equation. What is 30% of 275? Need Help? ATT 20. My Notes Ask Your Teacher -/3.57 points LarinterAlg6 2.2.021. Solve using a percent equation. 90 is 24% of what number? Need Help? Pada Q My Notes Ask Your Teacher 21. -/3.57 points LarinterAlg6 2.2.027 Solve using a percent equation. 341 is what percent of 550? Need Help? Beste 22. My Notes Ask Your Teacher |-/3.57 points Larinter Alg6 2.2.032. Solve using a percent equation. 990 is what percent of 550? % Need Help? Para 23. My Notes Ask Your Teacher -/3.57 points LarinterAlg6 2.2.033. A real estate agency receives a commission of $11,400 for the sale of a $190,000 house. What percent commission is this? % Need Help? Read Tube 24. My Notes Ask Your Teacher -/3.57 points LarInterAlg6 2.2.072. Solve the proportion. y+1 -1 35 21 y = Need Help? Pa T 25. My Notes Ask Your Teacher -/3.57 points LarinterAlg6 2.2.076. You want to leave a 20% tip for a meal that costs $47.49. How much should you leave? (Round your answer to the nearest cent.) $ Need Help? Priate 26. My Notes Ask Your Teacher -/3.57 points LarinterAlg6 2.1.035. Solve the equation. Check your solution. = 1 . Need Help? Tute My Notes Ask Your Teacher 27. -/3.57 points LarinterAlg6 2.1.036. Solve the equation. Check your solution. 응 + + = 1 ta Need Help? Paste 28. My Notes Ask Your Teacher -/3.61 points LarinterAlg6 2.1.038. Solve the equation. Check your solution. 15x + = 2x 8 8 X= Need Help? My Notes Ask Your Teacher 1. -14 points LarInterAlg6 5.1.001. Use the rules of exponents to simplify the expression. (uv)(602) Need Help? Tak te Tutor My Notes Ask Your Teacher 2. -14 points LarinterAlg6 5.1.003. Use the rules of exponents to simplify the expression. -6(xº? Need Help? Pad II Tk Tuber My Notes Ask Your Teacher 3. -14 points LarinterAlg6 5.1.006. Use the rules of exponents to simplify the expression. (-2274 Need Help? This Tutor My Notes Ask Your Teacher 4 .-/4 points Larinter Alg6 5.1.008. Use the rules of exponents to simplify the expression. (39)3(272) Need Help? Pad Watch Tak Ter My Notes Ask Your Teacher 5. -14 points LarinterAlg6 5.1.009. Use the rules of exponents to simplify the expression. 6m5n8 2mn2 Need Help? Pad It Takes a Tutor My Notes Ask Your Teacher 6. -14 points LarinterAlg6 5.1.010. Use the rules of exponents to simplify the expression. -6m4n7 - 2mn Need Help? The 7 My Notes Ask Your Teacher -14 points LarInterAlg6 5.1.011. Use the rules of exponents to simplify the expression. 8а Need Help? Pred Tak ta Tube My Notes Ask Your Teacher 8. -14 points LarInterAlg6 5.1.016. Use the rules of exponents to simplify the expression. (-2xy92 6y2 Need Help? Tak to a Tutor My Notes Ask Your Teacher 9. -14 points LarInterAlg6 5.1.017. Use the rules of exponents to evaluate the expression. (-9) Need Help? Tk to a Tutor My Notes Ask Your Teacher 10. -14 points LarinterAlg6 5.1.019. Use the rules of exponents to evaluate the expression. 5-2 Need Help? Pad It Takes a Tutor My Notes Ask Your Teacher 11.-14 points LarinterAlg6 5.1.020.MI. Use the rules of exponents to evaluate the expression. 4-2 Need Help? Pad Masterit Tak Be Tutor 12. My Notes Ask Your Teacher -14 points LarinterAlg6 5.1.042. Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.) Need Help? Take a Te My Notes Ask Your Teacher 13. -14 points LarinterAlg6 5.1.046. Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.) Need Help? Pak to Tutor 14. My Notes Ask Your Teacher -14 points LarinterAlg6 5.1.047. Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.) 3xy-9 6x-by Need Help? Tko a Tuter 15. My Notes Ask Your Teacher -14 points LarinterAlg6 5.1.048. Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.) 4y-17-8 82-8 Need Help? Pad It With Tak sa Tutor My Notes Ask Your Teacher 16. -14 points LarinterAlg6 5.1.049. Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.) -2 2u2r-1 24u-1,4 Need Help? Real Tk to a Tutor 17. My Notes Ask Your Teacher -14 points LarInterAlg6 5.3.033. Use a special product formula to find the product. (Simplify your answer completely.) (x - 9)(x + 9) Need Help? Pad It Tak to a Tutor My Notes Ask Your Teacher 18. -14 points Larinter Alg6 5.3.036. Use a special product formula to find the product. (Simplify your answer completely.) (4 + 5z)(4 - 5z) Need Help? Read It To Tutor My Notes Ask Your Teacher 19. -14 points LarinterAlg6 5.3.039. Use a special product formula to find the product. (Simplify your answer completely.) (x + 7)2 Need Help? Pad It Talk to a Tutor My Notes Ask Your Teacher 20. -14 points LarInterAlg6 5.3.020. Use the FOIL Method to find the product. (Simplify your answer completely.) (4x + 2)(3x + 2) Need Help? Pada Tutor 21. My Notes Ask Your Teacher -14 points LarinterAlg6 5.3.017. Use the FOIL Method to find the product. (Simplify your answer completely.) (2x -8)(x + 7) Need Help? Pa Taika Tutor 22. My Notes Ask Your Teacher -14 points LarinterAlg6 5.3.022, Use the FOIL Method to find the product. (Simplify your answer completely.) (4x - 4)(-3x2 + 3) Need Help? Real Tk to a Tutor My Notes Ask Your Teacher 23. -14 points LarinterAlg6 5.3.023. Write the polynomials in standard form and use a vertical format to find the product. (Simplify your answer completely.) (4x + 1)(8 - 11x + 3x2) Need Help? Pull Talk to a Tutor My Notes Ask Your Teacher 24. -14 points LarinterAlg6 5.3.037. Use a special product formula to find the product. (Simplify your answer completely.) (6x - 9y)(6x + 9y) Need Help? Pada Tutor My Notes Ask Your Teacher 25. -14 points LarInterAlg65.3.041. Use a special product formula to find the product. (Simplify your answer completely.) (x - 11)2 Need Help? Read IT a Tutor My Notes Ask Your Teacher 1 .-/5 points LarlAlg5 7.1.002. Find the root if it exists. See Example 1. (If the solution is not a real number, enter NOT REAL.) 49 Need Help? My Notes Ask Your Teacher 2 .-/5 points LarlAlg5 7.1.008. Find the root if it exists. See Example 1. (If the solution is not a real number, enter NOT REAL) --1 Need Help? TART My Notes Ask Your Teacher 3 .-/5 points LarlAlg5 7.1.010. State whether the number is a perfect square, a perfect cube, or neither. See Example 2. -27 perfect square perfect cube neither Need Help? Teste My Notes Ask Your Teacher 4 .-/5 points LarlAlg5 7.1.024. Find all of the cube roots of the perfect cube. -8 Need Help? Tu My Notes Ask Your Teacher 5 .-/5 points Lar Alg5 7.1.030. Find all of the cube roots of the perfect cube. -0.125 Need Help? The Tube My Notes Ask Your Teacher 6 .-/5 points LarlAlg5 7.2.002. Simplify the radical. (Do not use a calculator.) See Example 1. 127 Need Help? My Notes Ask Your Teacher 7 .-/5 points LarlAlg5 7.2.006. Simplify the radical. (Do not use a calculator.) See Example 1. 776 Need Help? START My Notes o Your Teacher 8 .-/5 points LarlAlg5 7.2.012 Simplify the radical. (Do not use a calculator.) See Example 1. V0.36 Need Help? Ta Tu My Notes Ask Your Teacher 9 .-/5 points LarlAlg5 7.2.020.MI. Simplify the radical expression. See Examples 2-6. 16x3 Need Help? Who Tumor 10 .-/5 points LariAlg5 7.2.020.MI.SA. My Notes Ask Your Teacher This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise Simplify the radical expression. See Examples 2-6. 149x3 Click here to begin! Need Help? MITRAT My Notes Ask Your Teacher 11. -/5 points Lar Alg5 7.2.024. Simplify the radical expression. See Examples 2-6. V360x8 Need Help? Ten Tue My Notes Ask Your Teacher 12. -75 points LariAlg5 7.3.002. Combine the radical expressions, if possible. See Examples 1-3. (If not possible, enter IMPOSSIBLE.) 4V3-273 Need Help? TRT My Notes Ask Your Teacher 13. -/5 points LarlAlg5 7.3.018. Combine the radical expressions, if possible. See Examples 1-3. (If not possible, enter IMPOSSIBLE.) 3/3 - 6 13 +13 + 7413 Need Help? Tur My Notes Ask Your Teacher 14 .-/5 points LarlAlg5 7.3.020.MI. Combine the radical expressions, if possible. See Examples 1-3. (If not possible, enter IMPOSSIBLE.) 8V18 - 32 Need Help? Which We My Notes Ask Your Teacher 15. -/5 points LarlAlg5 7.4.002.MI. Multiply and simplify. See Examples 1-3. 12.10 Need Help? Tutte le My Notes Ask Your Teacher 16.-15 points LarlAlg5 7.4.014. Multiply and simplify. See Examples 1-3. V5V + V15) Need Help? W TART My Notes Ask Your Teacher 17. -/5 points Lar Alg5 7.4.020. Multiply and simplify. See Examples 1-3. Vz(V2 + 6) Need Help? WER TEST My Notes Ask Your Teacher 18. -/5 points Lar Alg5 7.4.024. Multiply and simplify. See Examples 1-3. 5+ Need Help? The Tube My Notes Ask Your Teacher 19 .-/5 points Lar Alg5 7.4.030. Multiply and simplify. See Examples 1-3. (9-7)(9 +17) Need Help? Tkwa Tu My Notes Ask Your Teacher 20 .-/5 points LarlAlg5 7.4.034. Multiply and simplify. See Examples 1-3. (V6 + v7)(V6 + v7) Need Help? Ta Tute My Notes Ask Your Teacher 3. -/2.77 points LarinterAlg6 7.5.051.MI. Use the formula t= d/16, which gives the time t (in seconds) for a free-falling object to fall d feet. A construction worker drops a nail from a building and observes it strike a water puddle after approximately 2 seconds. Estimate the height from which the nail was dropped. ft Need Help? Welche WTK Tutor My Notes Ask Your Teacher 4.-12.77 points LarinterAlg6 7.5.056. Find the length x of the unknown side of the right triangle. (Round your answer to two decimal places, if necessary.) Need Help? Tea Tor My Notes Ask Your Teacher 5 .-/2.77 points Larinter Alg6 7.5.060. A ladder is 10 feet long, and the bottom of the ladder is 6 feet from the side of a house. How far does the ladder reach up the side of the house? ft 田 FR Need Help? Plato My Notes Ask Your Teacher 6. -/2.77 points Larinter Alg6 7.6.030. Perform the operation. (Simplify your answer completely.) V-12(v=3 - V - V-12) Need Help? Plato My Notes Ask Your Teacher 7. -/2.77 points LarinterAlg6 7.6.033. Perform the operation. (Simplify your answer completely.) (v=25) Need Help? Was My Notes Ask Your Teacher 8. -/2.77 points LarInterAlg6 7.6.036. Determine whether the complex numbers are equal. 16 + V-36 and 4 - 61 equal not equal Need Help? Bad Tea Tor My Notes Ask Your Teacher 9.-12.77 points LarinterAlg6 7.6.040. Determine the values of a and b that satisfy the equation. -9 + 51 = a + b/ b = Need Help? War 10. My Notes Ask Your Teacher -/2.77 points LarinterAlg6 7.6.020. Perform the operation. (Simplify your answer completely.) V-16 - -4 Need Help? Ik ben My Notes Ask Your Teacher 11. 0-/2.77 points LarinterAlg6 7.6.024. Perform the operation. (Simplify your answer completely.) V-36-35 Need Help? Plato 12. My Notes Ask Your Teacher -/2.77 points LarinterAlg6 7.6.010. Write the number in l-form. -150 Need Help? Ik ben My Notes Ask Your Teacher 13. -/2.77 points LarinterAlg6 7.6.013. Write the number in l-form. V-12 Need Help? To The My Notes Ask Your Teacher 14. -/2.77 points LarinterAlg6 7.6.016. Write the number in i-form. 49 Need Help? With Thor My Notes Ask Your Teacher 15 .-/2.77 points Larinter Alg6 7.6.055. Perform the operation and write the result in standard form. (41)(-77) Need Help? 16. My Notes Ask Your Teacher -/2.77 points LarinterAlg6 7.6.058. Perform the operation and write the result in standard form. (15 + 3)(v-25) Need Help? War 17. My Notes Ask Your Teacher -/2.77 points LarinterAlg6 7.6.059. Perform the operation and write the result in standard form. (5 + 3/)(-9 + 5) Need Help? Pla 18. My Notes Ask Your Teacher -/2.77 points LarinterAlg6 7.6.061. Perform the operation and write the result in standard form. (6 + 2)(6 - 21) Need Help? Maka Tutor 19. My Notes Ask Your Teacher -/2.77 points LarinterAlg6 7.6.062. Perform the operation and write the result in standard form. (5 - 4/)(5 + 41) Need Help? That My Notes Ask Your Teacher 20 .-/2.77 points LarinterAlg6 7.6.066. Multiply the number by its complex conjugate and simplify. 2 + 97 Need Help? 21. My Notes Ask Your Teacher -/2.77 points LarinterAlg6 7.6.070. Multiply the number by its complex conjugate and simplify. -121 Need Help? Ta Tor My Notes Ask Your Teacher 22. -/2.77 points LarInterAlg6 7.6.072. Write the quotient in standard form. 1 + 1 31 Need Help? My Notes Ask Your Teacher 23 .-/2.77 points Larinter Alg6 7.6.074. Write the quotient in standard form. 13 20120 Need Help? Plato My Notes Ask Your Teacher 1 .-/2 points LarlAlg5 3.4.058.MI. Write the slope-intercept form of the equation of the line that passes through the two points. (2,-5), (1,3) Need Help? Master Tee My Notes Ask Your Teacher 2. -12 points Lar Alg5 3.4.062. Write an equation of the line. See Example 4. Vertical line through (2, 4) Need Help? My Notes Ask Your Teacher 3 .-/2 points LarlAlg5 3.4.066. Write equations of the lines that pass through the point and are parallel and perpendicular to the given line. See Example 5. + 3y = 12 (a) parallel to the given line (b) perpendicular to the given line Need Help? Wat My Notes Ask Your Teacher 4.-12 points LariAlg5 3.4.070. Write equations of the lines that pass through the point and are parallel and perpendicular to the given line. See Example 5. 4 - 14 = 0 (a) parallel to the given line (b) perpendicular to the given line Need Help? To My Notes Ask Your Teacher 5.-12 points LarlAlg5 3.4.088.MI. A business purchases a van for $27,500. After 5 years, its depreciated value will be $4,500. (a) Assuming straight-line depreciation, write an equation of the line giving the value of the van in terms of time t in years. V= (b) Use the equation in part (a) to find the value of the van after 2 years. $ Need Help? My Notes Ask Your Teacher 6.-12 points LarlAlg5 3.4.096. In the equation y = 8x + 5, what does the 5 represent? What does the 8 represent? 5 is -Select- 8 is - Select Need Help? Te 7. -12 points LarlAlg5 3.5.024.MI.SA. My Notes Ask Your Teacher This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise Sket solution of the linear lity. See Examples 2-5. the graph y > x + 5 Click here to begin! Need Help? My Notes Ask Your Teacher 8. -12 points Lar Alg5 3.5.030. Sketch the graph of the solution of the linear inequality. See Examples 2-5. 4x + y s 4 Flash Player version 10 or higher is requiredbe s tebsites for this question. You can get Flash Player free from Need Help? Tume My Notes Ask Your Teacher 9.-12 points LarlAlg5 4.2.044.MI. Solve the system of linear equations by any convenient method. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions, enter INFINITELY MANY.) - 45 (x, y) =( Need Help? W Te The My Notes Ask Your Teacher 10.-12 points Lar Alg5 5.4.070. Factor the polynomial by grouping. See Example 5. (Factor your answer completely.) 3-42+t-4 Need Help? PERETT My Notes Ask Your Teacher 11. -/2 points Lar Alg5 5.4.076. Factor the polynomial by grouping. See Example 5. (Factor your answer completely.) 1604 - 1402,3 - 21/4 + 24u2v Need Help? My Notes Ask Your Teacher 12. -12 points LariAlg5 5.4.078. Factor the difference of two squares. See Examples 6 and 7. (Factor your answer completely.) 12-25 Need Help? My Notes Ask Your Teacher 13. -/2 points LarlAlg5 5.4.082. Factor the difference of two squares. See Examples 6 and 7. (Factor your answer completely.) 422 - 100 Need Help? The Tube 14. -12 points LarlAlg5 5.4.088.MI.SA. My Note Ask Your Teacher This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise Factor the difference of two squares. See Examples 6 and 7. 64a2 - 8162 Click here to begin! Need Help? WART My Notes Ask Your Teacher 15 .-/2 points LariAlg5 5.4.112. Factor the polynomial completely. See Examples 9 and 10. 27y2 - 48 Need Help? To The My Notes Ask Your Teacher 16.-12 points LarlAlg5 5.4.114. Factor the polynomial completely. See Examples 9 and 10. a3.ga Need Help? My Notes Ask Your Teacher 17. -12 points LarlAlg5 5.4.137. The area of a rectangle of length / is given by the polynomial 181 - 12. Factor this expression to determine the width w of the rectangle. W= Need Help? The My Notes Ask Your Teacher 18. -12 points LarlAlg5 6.6.026. Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7. - 14 = 21 be Need Help? Ta My Notes Ask Your Teacher 19.-12 points LarlAlg5 6.6.030. Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7. 7 16 3 16t-28 Need Help? WART My Notes Ask Your Teacher 20 .-/2 points LarlAlg5 6.6.032.MI. Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7. 10 15 x + 2 4(x + 1) Need Help? NTT My Notes Ask Your Teacher 21. -12 points LarlAlg5 6.6.056.MI. Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7. _5 3x + 5+ 2x + 4-5 (smaller value) (larger value) Need Help? Was The + My Notes Ask Your Teacher 22. -/2 points Lar Alg5 7.5.024. Solve the equation and check your solution. See Examples 1-7. (If there is no solution, enter NO SOLUTION.) V2 - 2x = 1 XE Need Help? WIR TT My Notes Ask Your Teacher 23. -12 points Lar Alg5 7.6.114.MI. Multiply the number by its complex conjugate and simplify. -3 +31 Need Help? W WATT My Notes Ask Your Teacher 24 .-/2 points LarlAlg5 7.6.118. Multiply the number by its complex conjugate and simplify. -131 Need Help? Tur My Notes Ask Your Teacher 25 .-/2 points LarlAlg5 7.6.126. Write the quotient in standard form. See Examples 8-10. 1 + 1 77 Need Help? To The My Notes Ask Your Teacher 26. 0-12 points LarlAlg5 7.6.138. Write the quotient in standard form. See Examples 8-10. 4 + 5i 7 - 31 Need Help? WATT My Notes Ask Your Teacher 27. -12 points LariAlg5 7.6.140. Perform the operation by first writing each quotient in standard form. 1 + 31 Need Help? My Notes Ask Your Teacher 28. -12 points Lar Alg5 7.6.154. Perform the operations. (a + bi)(a - bi) Need Help? Tak Tume My Notes Ask Your Teacher 29. -12 points LarlAlg5 7.6.084. Perform the operation and write the result in standard form. See Example 7. -3i(8 - 121) Need Help? My Notes Ask Your Teacher 30.-12 points LarlAlg5 7.6.100.MI. Simplify the expression. ,23 Need Help? Was The My Notes Ask Your Teacher 31. -12 points Lar Alg5 7.6.108. Simplify the expression. (-110 Need Help? Te Tu My Notes Ask Your Teacher 32. -12 points Lar Alg5 8.5.012.MI. Complete the table of width, length, perimeter, and area of a rectangle. Width Length Perimeter Area 1-4 1 152 ft 2 Need Help? To The My Notes Ask Your Teacher 33. -/2 points LarlAlg5 8.5.038.MI. Find the time necessary for an object to fall to ground level from an initial height of no feet if its height h at any time t (in seconds) is given by n = no - 16t2. ho = 1369 sec Need Help? Where The My Notes Ask Your Teacher 34. -/2 points LarlAlg5 8.6.002. Find the critical numbers. 7x(x - 2) (smaller value) (larger value) Need Help? My Notes Ask Your Teacher 35. -12 points LarlAlg5 8.6.008. Find the critical numbers. 3x2 - 2x - 8 X= (smaller value) (larger value) Need Help? The Tu My Notes Ask Your Teacher 36. -/2 points LarlAlg5 8.6.036. Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.) x2 + 8x + 20 > 0 (-0, -5/2) (-0, -5/2) u (8,00) (-00,00) (8,00) no solution Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. Need Help? Te Tur My Notes Ask Your Teacher 37. -12 points LarlAlg5 8.6.042. Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.) x2 - 4x + 4 < 0 (-00,-2) U (2,00) .(-0,2) (2,00) (-2,2) no solution NARA Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. Need Help? Tak sa Tume Submit Answer Practice Another Version My Notes Ask Your Teacher 38. -12 points LarlAlg5 8.6.046.MI. Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.) 22-t-120 (-0, -1/2] [1,0) (-00, -1/2) (1, ..) (-0, -1/2) (1,6) no solution Flash Player version 10 or higher is required for this question. Need Help? IR TT My Notes Ask Your Teacher 39.0 -12 points LariAlg5 8.6.052. Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.) 16x2 - 40x + 25 20 (-0, 0) (4,5) (-0,-5) u (4,..) • (-0, 4) u (5,0) no solution Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. Need Help? MART My Notes Ask Your Teacher 40. 0-/2 points Lar Alg5 8.6.078. Solve the inequality and graph the solution on the real number line. See Example 4. -x > > 0 (9, 00) (-0, -3) u (9) (-00,-3) (-0,9) no solution Flash Player version 10 or higher is required for this question. You can get Flash Playe free from Adobe's website. Need Help? The My Notes Ask Your Teacher 41. -/2 points Lar Alg5 8.6.084.MI. Solve the inequality and graph the solution on the real number line. See Example 4. ***-2 • (--, 2) » (3,0) • (-00,-)(-2,0) • (-2, - 2) • (-2:2) no solution Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. Need Help? Tata Tu My Notes Ask Your Teacher 44. -/2 points LarinterAlg6 4.4.045. Use matrices to solve the system of linear equations. 4x + 3y 8 2x - y 24 + z = -17 -2x (x, y, z) = Need Help? The My Notes Ask Your Teacher 45 .-/2 points LarInterAlg6 4.5.022.MI. Use Cramer's Rule to solve the system of linear equations. (If not possible, enter IMPOSSIBLE.) 2x - y = -10 3x + 2y = -1 (x, y) = Need Help? | WWW My Notes Ask Your Teacher 46. -/2 points LarinterAlg6 7.5.028. Solve the equation and check your solution. (If there is no solution, enter NO SOLUTION.) 3t+ 8 = t + 10 Need Help? 2. Tu My Notes Ask Your Teacher 47. 0-12 points LarinterAlg6 7.5.040.MI. Solve the equation and check your solution(s). x = 12 - x Need Help? Real METTE My Notes Ask Your Teacher 48. -/2 points LarinterAlg6 7.5.042. Solve the equation and check your solution(s). (Enter your answers as a comma-separated list.) 3x + 7 = x + 3 X= Need Help? XT My Notes Ask Your Teacher 49 .-/2 points LarinterAlg6 6.2.019. Multiply and simplify. 4r - 12 r-2 r-3 r3,2 Need Help? Mes Tu My Notes Ask Your Teacher -/2 points LarinterAlg6 6.2.021. Multiply and simplify. 212 - t - 15 t + 2 (2-6 + 9 2-t-6 t#3, -2 Need Help? Para
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Trustpilot
4.5
Sitejabber
4.4

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