Keystone High School Discrete Mathematics Sequences & Series Questions Quiz

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David Williams Question Completion Status: KCR Homeroom Community H Al ? Conic Sections Take Test: 9.03 Circles Quiz Take Test: 9.03 Circles Quiz Test Information Description Instructions Multiple Attempts This test allows 3 attempts. This is attempt number 1. Force Completion This test can be saved and resumed later. Save All Answers QUESTION 1 What is the equation of the following graph? 4 Save and Submit 2 points Save Answer Question Completion Status: x2 + y2 = 1 x2 – y2 = 1 x2 + y2 = 2 x2 + y2 = –2 QUESTION 2 2 points Save Answer 2 points Save Answer What is the radius of the following graph? 6 1 2 4 QUESTION 3 What is the equation of the following circle? Question Completion Status: (x + 4)2 – (y + 3)2 = 6.25 (x + 4)2 + (y + 3)2 = 6.25 (x – 4)2 – (y – 3)2 = 6.25 (x – 4)2 + (y – 3)2 = 6.25 QUESTION 4 What is the equation of the following circle? 2 points Save Answer Question Completion Status: (x + 1)2 + (y + 1)2 = 36 (x + 1)2 – (y + 1)2 = 36 (x – 1)2 + (y – 1)2 = 36 (x – 1)2 – (y – 1)2 = 36 QUESTION 5 What is the center of the following graph? 2 points Save Answer Question Completion Status: (–5, 6) (5, 6) (–4, 6) (4, 6) QUESTION 6 2 points Save Answer Write the equation of a circle with a center at (–5, –1) and a radius of 5. (x – 5)2 + (y – 1)2 = 25 (x + 5)2 + (y + 1)2 = 25 (x + 5)2 + (y + 1)2 = 5 (x – 5)2 + (y – 1)2 = 5 QUESTION 7 2 points Save Answer Write the equation of a circle with a center at (15, –35) and a diameter of 100. (x – 15)2 + (y + 35)2 = 250 (x – 15)2 + (y + 35)2 = 50 (x – 15)2 + (y + 35)2 = 2500 (x – 15)2 + (y + 35)2 = 100 Question Completion Status: QUESTION 8 2 points Save Answer Write the equation of a circle with a center at (2, –3) and a radius of (x + 2)2 + (y – 3)2 = (x + 2)2 + (y – 3)2 = (x – 2)2 + (y + 3)2 = (x – 2)2 + (y + 3)2 = QUESTION 9 2 points Save Answer Write the equation of a circle with a center at (0, 0) and a radius of 2. x2 + y2 = 2 x2 + y2 = 4 x2 – y2 = 4 x2 – y2 = 2 QUESTION 10 What is the point of symmetry for the following circle? 2 points Save Answer Question Completion Status: (1, 3) (2, 0) (1, 2) (0, 2) Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit KCR Homeroom David Williams Community 4 ? H Discrete Mathematics: Sequences and Series Al Take Test: 11.03 Discrete Mathematics: Sequences and Series Unit Exam Take Test: 11.03 Discrete Mathematics: Sequences and Series Unit Exam Test Information Description Instructions Multiple Attempts Question Completion Status: Force Completion Save All Answers QUESTION 1 Save and Submit 2 points Save Answer Which of the following represents an arithmetic sequence? 10, 8, 6, 5,… 6, 8, 11, 13,… 5, 3, 1, -1,… 5, -5, 5, -5,… QUESTION 2 The following is an arithmetic sequence. True False 2 points Saved 2 points Saved 2 points Saved 2 points Saved The following is an arithmetic sequence. 7, 6.5, 6, 5,… True False QUESTION 4 The following is an arithmetic sequence. 2, 5, 8, 10,… True False QUESTION 5 What is the common difference of the following arithmetic sequence? 100, 102, 104, 106,… Question Completion Status: 1 2 3 4 QUESTION 6 2 points Saved 2 points Saved What are the next 3 terms in the following sequence? 5, 7, 9,… 11, 13, 15 11, 13, 16 11, 14, 16 12, 15, 17 QUESTION 7 What is the common difference of the following arithmetic sequence? 3, 13, 23, 33,… 10 11 12 13 QUESTION 8 2 points What is the common difference of the following arithmetic sequence? Saved -2 1 -1 QUESTION 9 2 points Saved 2 points Saved 2 points Saved 2 points Saved What are the next 3 terms of the following sequence? -3, -8, -13,… -19. -24. -29 -18, -23, -28 -18, -24. -29 -17, -22, -27 QUESTION 10 Question Completion Status: 10, 13, 16 10, 14, 16 10.5, 14, 17.5 11, 14, 18 QUESTION 11 Find the four arithmetic means between 40 and 10. 33, 27, 21, 15 36, 30, 24, 18 34, 28, 22, 16 30, 32, 34, 36 QUESTION 12 Find the 10th term of an arithmetic sequence if t1 = 2.1 and t4 = 1.83. 1.2 1.29 1.27 1.38 QUESTION 13 2 points What is the 5th term of an arithmetic sequence if t3 = 10 and t7 = 26? Saved 22 24 QUESTION 14 2 points Saved Find S10 for 10 + 8 + 6 + 4 +… 8 10 12 14 QUESTION 15 2 points Save Answer 2 points Save Answer 2 points Save Answer Find S20 for the series -1 + -3 + -5 + -7 +… -399 Question Completion Status: -420 -380 -400 QUESTION 16 Find S15 for the series -1 + -3 + -5 + -7 +… -240 -225 -210 -224 QUESTION 17 Find S20 for the arithmetic series 8 + 16 + 24 + 32 +… 1672 1688 1664 1680 QUESTION 18 The following is a geometric sequence. -2, -6, -18, -54,… True 2 points Saved QUESTION 19 2 points Saved 2 points Saved 2 points Saved The following is a geometric sequence. 3, 5, 7, 9,… True False QUESTION 20 The following is a geometric sequence. 7, 10, 13, 16,… True False QUESTION 21 Question Completion Status: The following is a geometric sequence. -1, -3, -9, -28,… True False QUESTION 22 2 points Save Answer 2 points Save Answer What is the common ratio of the following sequence? 8, 64, 512, 4096,… 7 8 9 10 QUESTION 23 What is the common ratio of the following sequence? -3, -12, -48, 192,… 1 2 3 4 QUESTION 24 2 points Saved 4000, 20,000, 100,000 5000, 20,000, 100,000 5000, 10,000, 50,000 QUESTION 25 2 points Save Answer 2 points Save Answer 2 points Save Answer What is the common ratio of the following sequence? 7, 21, 63, 189,… 1 2 3 4 QUESTION 26 Question Completion Status: Find two geometric means between 4 and 13.5. 6, 9 7, 11 8, 12 9, 14 QUESTION 27 Find the four geometric means between 4 and 972. 12, 36, 108, 324 12, 36, 98, 284 12, 48, 144, 322 12. 48. 144. 432 QUESTION 28 2 points Saved Find the 6th term of a geometric sequence with t4 = 189 and t9 = 45,927. 5103 1701 1259 567 QUESTION 29 2 points Saved 30,156 93,546 147,456 QUESTION 30 2 points Saved Find S12 for the series 1 + 1.5 + 2.25 + 3.375 +… 113.3 171 209.8 257.5 QUESTION 31 Find S9 2,441,406 2 points Save Answer 2 points Save Answer Question Completion Status: 488,281 218,366 97,657 QUESTION 32 Find S8 for the series -2 + -10 + -50 + -250 +… -39,062 -87,342 -195,312 - 976,562 QUESTION 33 2 points Saved 2 points Saved Find S5 for the series -2 + -10 + -50 + -250 +… -1562 -312 -7812 -3492 QUESTION 34 Find the sum of the infinite geometric series 8 + 4 + 2 + 1 +…if it exists. 17 16 QUESTION 35 2 points Saved 2 points Saved 2 points Saved Find the sum of the following infinite geometric series, if it exists. 4 + 3.2 + 2.56 + 2.048 + … Does not exist 20 22 24 QUESTION 36 5 Question Completion Status: 6 7 9 QUESTION 37 Find the sum of the following infinite geometric series, if it exists. Does not exist Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Question KCR Completion Status: Homeroom H Semester 2 Exam David Williams 50 Community Keystone Support ? Take Test: 12.00 Semester 2 Exam Take Test: 12.00 Semester 2 Exam Test Information Description Instructions Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed later. Save and Submit Save All Answers QUESTION 1 2 points Save Answer Which of the following is the correct matrix representation of the Saturday movie ticket sales? Ticket Sales for Thursda Ticket Sales for Friday Chil Ticket Sales for Saturda y Children Adults dren Adults y Children Adults Regular 257 183 355 402 398 423 Matinee 135 168 242 311 376 386 QUESTION 2 If A = QUESTION 3 and B = 2 points Save Answer 2 points Save Answer , find B - A. Matrix A has dimensions 5 x 4. Matrix B has dimensions 4 x 3. These two matrices can be multiplied. True False QUESTION 4 2 i t QUESTION 4 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer Question Completion Status: Evaluate QUESTION 5 Evaluate Does not exist. QUESTION 6 Find the determinant of -10 6 10 18 QUESTION 7 When lines intersect in one place, they are ____________________. consistent independent dependent inconsistent QUESTION 8 Does the following system of equations have a solution? Question Completion Status: Yes No QUESTION 9 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer What is the approximate solution of the following system of equations? (-1, 1) (-1, -1) (1, -1) (1, 1) QUESTION 10 Solve y = 2x - 4 by the substitution method. 7x – 5y = 14 (0, 2) (2, 0) (-2, 1) (1, 3) Q U E S T I O N 11 Solve the following system of equations by using the substitution method. x+y=1 3x – y = 11 (-3, 4) (6, -5) (3, -2) Inconsistent QUESTION 12 Solve the following system of equations by using the elimination method. 2x – 3y = -10 3x + 5y = 4 (2, -2) (-2, 2) Inconsistent Consistent Consistent Question Completion Status: QUESTION 13 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer Solve the following system of equations by using the elimination method. 2x – 4y = 8 3x + 8y = -2 (1, 3) (4, 5) (2, -1) (-2, -1) QUESTION 14 Solve the following system of equations using matrices. 2x + 4y = 16 -4x – 8y = 32 (2, 2) (-2, -2) Consistent Inconsistent QUESTION 15 Solve the following system of equations using matrices. y = 2x - 2 3x - 6y = -6 (1, 0) (3, 4) (-2, -2) (2, 2) QUESTION 16 The difference of two numbers is 4. 5 times the smaller number is four more than three times the larger. Find the two numbers. -10 and -14 10 and 14 8 and 12 -8 and -12 QUESTION 17 Which of the following is a solution to the following system of inequalities? (1, 1) (-4, 0) (3, -3) 2 points Save Answer (0, 5) Question Completion Status: QUESTION 18 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer The following is the solution of x – 2y > -2. x + y ≥ -3 True False QUESTION 19 Solve x + 2y = 10 -2x – 4y = 24 5x + 5y + 5z = 15 Infinite number of solutions no solutions (2, 4, -3) (0, -6, 9) QUESTION 20 Solve x + 2y = 50-2x + 3y = 405x + 5y + 5z = 300 (10, 20, 30) (-10, -20, -30) (10, 20, -30) (10, -20, 30) QUESTION 21 The perimeter of a triangle is equal to 12 inches. The length of the longest side is equal to the sum of the other two sides minus 2. If you multiply the shortest side by 3 and add one, it will equal 2 times the longest side. Find the side lengths Shortest side = 1 inch, Middle side = 4 inches, Longest side = 7 inches Shortest side = 3 inch, Middle side = 4 inches, Longest side = 5 inches Shortest side = 2 inch, Middle side = 3 inches, Longest side = 7 inches Shortest side = 2 inch, Middle side = 4 inches, Longest side = 6 inches QUESTION 22 Which of the following are congruent? The opposite sides in a kite The opposite angles in a trapezoid The opposite angles in a parallelogram The diagonals in a rhombus 2 points Save Answer QUESTION 23 Question Completion Status: 2 points Save Answer YWXZ is a rhombus with diagonals that intersect at point S. Angle WSX measures Find the value of x. 26 56 34 Not enough information is given QUESTION 24 ABCD is a parallelogram. Angle C is equal to 2 points and angle D is equal to Save Answer . Find x 80 77.5 60 56.5 QUESTION 25 2 points Save Answer Triangle ABC is congruent to triangle XYZ. Angle A measures 50° angle B measure angle X measures ° Find the value of x. 20.5 13.67 16 10.5 QUESTION 26 2 points ° and Save Answer Triangle ABC is congruent to triangle XYZ. Angle A measures 50° angle B measure angle Z measures ° Find the value of x. 20.5 13.67 16 10.5 QUESTION 27 2 points ° and Save Answer Triangle ABC is similar to triangle FGH. Angle A measures 42 degrees. Angle B measures 19 degrees. Find the measure of angle H. 42 19 119 29 QUESTION 28 Question Completion Status: 2 points Save Answer Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x. 11 12 3 14 QUESTION 29 2 points Save Answer Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc ADB measures 20x – 10. Find the value of x. 0 7 10 17 QUESTION 30 2 points Save Answer Point C is the center of the circle. Arc AB measures 5x + 2. Angle ACB measures 3x + 14. Find the value of x. 2 8 6 20 QUESTION 31 Point C is the center of the circle. What is the measure of arc ADB if [ 102° 51° 258° 2 points Save Answer ACB is equal to 102°? 360° Question Completion Status: QUESTION 32 Point C is the center of the circle. What is the measure of arc AB if 2 points Save Answer ACB is equal to 80°? 80° 40° 160° 360° QUESTION 33 2 points Save Answer Circles M and K are congruent, arc QR is congruent to arc LN and arc OP is congruent to arc VW. Find x. 3 -3 5 -5 QUESTION 34 2 points Save Answer Circles M and K are congruent, QR is congruent to LN and OP is congruent to VW. Find y. -4 4 -3 3 QUESTION 35 Find x. 2 points Save Answer Question Completion Status: 96° 149° 112° 154° QUESTION 36 Find the if 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer is equal to 51° and angle A measures 21° 15° 93° 72° 46° QUESTION 37 What is the distance between P(0, 14) and Q(5, -2)? 13 14 QUESTION 38 Find the midpoint of if P (8, 3) and Q(5, 2)? (2.5, 6.5) (6.5, 2.5) (5.5, 3.5) (3.5, 5.5) QUESTION 39 The equation represents a __________. parabola circle hyperbola ellipse QUESTION 40 What is the focus of the followingQuestion graph? Completion Status: (0, 6) (6, 0) (0, -6) (-6, 0) QUESTION 41 2 points Save Answer 2 points Save Answer What is the equation of the following graph? QUESTION 42 What is the equation of the following graph? Question Completion Status: QUESTION 43 2 points Save Answer What is the equation of the parabola with a focus at (-3, 0) and a directrix x = 3. QUESTION 44 2 points Save Answer Write the equation of a parabola with a vertex at (-3, 7) and a directrix x = -8. QUESTION 45 What is the symmetry of the following graph? 2 points Save Answer Question Completion Status: x=2 x = -2 y=5 y = -5 QUESTION 46 2 points Save Answer 2 points Save Answer What is the equation of the following graph? x2 + y2 = 1 x2 + y2 = 4 x2 + y2 = 16 x2 + y2 = 17 QUESTION 47 What is the equation of the following circle? (x + 1)2 + (y + 1)2 = 36 (x + 1)2 – (y + 1)2 = 36 (x – 1)2 + (y – 1)2 = 36 (x – 1)2 – (y – 1)2 = 36 (x 1) (y 1) 36 Question Completion Status: QUESTION 48 2 points Save Answer 2 points Save Answer 2 points Save Answer What is the radius of the following circle? 8 10 –5 5 QUESTION 49 Write the equation of a circle with a center at (–7, –7) and a radius of 7. (x + 7)2 + (y + 7)2 = 49 (x + 7)2 + (y + 7)2 = 7 (x + 7)2 + (y + 7)2 = 14 (x – 7)2 + (y – 7)2 = 49 QUESTION 50 Write the equation of a circle with a center at (15, –35) and a diameter of 100. (x – 15)2 + (y + 35)2 = 250 (x – 15)2 + (y + 35)2 = 50 (x – 15)2 + (y + 35)2 = 2500 (x – 15)2 + (y + 35)2 = 100 QUESTION 51 What is the point of symmetry for the following circle? 2 points Save Answer Question Completion Status: (3, 1) (-3, -1) (-1, -3) (1, 3) QUESTION 52 2 points Save Answer 2 points Save Answer Where are the vertices of the following graph? (-9, 0) and (9, 0) ( (0, , 0) and ( ) and (0, , 0) ,) (0, 2) and (0, -2) QUESTION 53 What are the foci of the following graph? Question Completion Status: (-7, 3) and (5, 3) (-1- , 3) and (-1 + , 3) (-1- , 3) and (-1 + , 3) (-8, 3) and (6, 3) QUESTION 54 2 points Save Answer 2 points Save Answer What is the length of the major axis of the following graph? 8 4 18 9 QUESTION 55 What is the equation of the ellipse with foci (0, 6), (0, -6) and co-vertices (2, 0), (-2, 0)? QUESTION 56 2 points What is the equation of the ellipse with foci (2, 0), (-2, 0) and vertices (7, 0), (-7, 0)? Save Answer What is the equation of the ellipse with foci (2, 0), ( 2, 0) and vertices (7, 0), ( 7, 0)? Question Completion Status: QUESTION 57 2 points Save Answer 2 points Save Answer 2 points Save Answer Ellipses have symmetry through both their minor and major axes. True False QUESTION 58 What is the equation of the following graph? QUESTION 59 What is the equation of the following graph? Question Completion Status: =1 QUESTION 60 2 points Save Answer 2 points Save Answer What are the vertices of the following graph? (2, 1) and (-6, 1) (1, 2) and (1, -6) (4, -2) and (-2, -2) (-2, 4) and (2, 2) QUESTION 61 Write the equation of a hyperbola with vertices at (-4, 0) and (4, 0) and co-vertices (0, 5) and (0, -5). QUESTION 62 2 points Save Answer Write the equation of a hyperbola with vertices at (1,1) and (9, 1) and foci at (0, 1) and (10, 1). Question Completion Status: QUESTION 63 2 points Save Answer The symmetry of a hyperbola with a center at (h, k) only occurs at y = k and x = h. True False QUESTION 64 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer What are the odds of picking an “m” in the word Mississippi? 1:9 1 : 10 1 : 11 1 : 12 QUESTION 65 What are the odds of picking an “o” in the word “footloose”? 4:9 4:8 4:6 4:5 QUESTION 66 Experimental probability is based on performing trials. True False QUESTION 67 A bag contains 4 white marbles, 3 black marbles, and 5 red marbles. Find the probability of picking a red marble? QUESTION 68 2 points Save Answer A bag contains 4 white marbles, 3 black marbles, and 5 red marbles. Find the probability of picking a white marble? QUESTION 69 2 points Save Answer Annie is choosing an outfit for the day. She has a choice of 3 pairs of pants, 4 shirts, and 3 pairs of shoes. How many different outfit choices does she have? 36 27 18 9 QUESTION 70 2 points Save Answer A bag has 5 red marbles, 6 blue marbles 4 black marbles. Questionand Completion Status: What is the probability of picking a red marble, replacing it, and then picking a blue marble? QUESTION 71 2 points Save Answer A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and then picking a blue marble? QUESTION 72 2 points Save Answer A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a yellow marble, do not replace it, and pick another yellow marble? QUESTION 73 2 points Save Answer A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a yellow marble, do not replace it, and pick a green marble? QUESTION 74 2 points Save Answer 2 points Save Answer 2 points Save Answer In how many ways can a music teacher arrange 24 students in 3 rows? 12,144 9240 10,626 7980 QUESTION 75 In how many ways can a student arrange 20 CDs in 4 CD player? 1,860,480 116,280 61,560 6840 QUESTION 76 A test consists of 20 problems and students are told to answer any 10 of these questions. In how many different ways can they choose the 10 questions? 168,394 184,756 192,548 203,832 Question Completion Status: QUESTION 77 2 points Save Answer A pizza place offers 5 different cheeses and 10 different toppings. In how many ways can a pizza be made with 3 cheese and 6 toppings? 1200 1500 1800 2100 QUESTION 78 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer Expand (2x - 3)5. 32x5 - 240x4 + 720x3 - 1080n2 + 810 ...
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criss53
School: University of Maryland

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Semester 2 Exam

David Williams 50

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Take Test: 12.00 Semester 2 Exam

Take Test: 12.00 Semester 2 Exam
Test Information
Description
Instructions
Multiple Attempts Not allowed. This test can only be taken once.
Force Completion This test can be saved and resumed later.

Save and Submit

Save All Answers

QUESTION 1

2 points

Save Answer

Which of the following is the correct matrix representation of the Saturday movie ticket sales?
Ticket Sales for Thursda
Ticket Sales for Friday Chil Ticket Sales for Saturda
y Children
Adults
dren
Adults
y Children
Adults
Regular

257

183

355

402

398

423

Matinee

135

168

242

311

376

386

QUESTION 2
If A =

QUESTION 3

and B =

2 points

Save Answer

2 points

Save Answer

, find B - A.

Matrix A has dimensions 5 x 4. Matrix B has dimensions 4 x 3. These two matrices can be multiplied.
True
False

QUESTION 4

2

i t

QUESTION 4

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Question Completion Status:

Evaluate

QUESTION 5

Evaluate
Does not exist.

QUESTION 6
Find the determinant of
-10
6
10
18

QUESTION 7
When lines intersect in one place, they are ____________________.
consistent
independent
dependent
inconsistent

QUESTION 8
Does the following system of equations have a solution?

Question Completion Status:

Yes
No

QUESTION 9

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

What is the approximate solution of the following system of equations?

(-1, 1)
(-1, -1)
(1, -1)
(1, 1)

QUESTION 10
Solve y = 2x - 4 by the substitution method.
7x – 5y = 14
(0, 2)
(2, 0)
(-2, 1)
(1, 3)

Q U E S T I O N 11
Solve the following system of equations by using the substitution method.
x+y=1
3x – y = 11
(-3, 4)
(6, -5)
(3, -2)
Inconsistent

QUESTION 12
Solve the following system of equations by using the elimination method.
2x – 3y = -10
3x + 5y = 4
(2, -2)
(-2, 2)
Inconsistent
Consistent

Consistent
Question Completion Status:

QUESTION 13

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Solve the following system of equations by using the elimination method.
2x – 4y = 8
3x + 8y = -2
(1, 3)
(4, 5)
(2, -1)
(-2, -1)

QUESTION 14
Solve the following system of equations using matrices.
2x + 4y = 16
-4x – 8y = 32
(2, 2)
(-2, -2)
Consistent
Inconsistent

QUESTION 15
Solve the following system of equations using matrices.
y = 2x - 2
3x - 6y = -6
(1, 0)
(3, 4)
(-2, -2)
(2, 2)

QUESTION 16

The difference of two numbers is 4. 5 times the smaller number is four more than three times the
larger. Find the two numbers.
-10 and -14
10 and 14
8 and 12
-8 and -12

QUESTION 17
Which of the following is a solution to the following system of inequalities?

(1, 1)
(-4, 0)
(3, -3)

2 points

Save Answer

(0, 5)

Question Completion Status:

QUESTION 18

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

The following is the solution of x – 2y > -2.
x + y ≥ -3

True
False

QUESTION 19
Solve x + 2y = 10
-2x – 4y = 24
5x + 5y + 5z = 15
Infinite number of solutions
no solutions
(2, 4, -3)
(0, -6, 9)

QUESTION 20
Solve x + 2y = 50-2x + 3y = 405x + 5y + 5z = 300
(10, 20, 30...

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