Graded Assignment MTH122A: Algebra I | Unit 7 | Lesson 16: Linear Equations and Inequalities Unit Test Name: Date: Graded Assignment Unit Test, Part 2 Show all your work. 1. Using the slope-intercept form of a line, find the equation of the line with slope 3 2 and Score y-intercept –2. Then graph the line on the grid provided and explain how you determined your graph. Answer: © 2012 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. Page 1 of 3 Graded Assignment MTH122A: Algebra I | Unit 7 | Lesson 16: Linear Equations and Inequalities Unit Test (8 points) 2. Graph x + 3y ≤ 6, indicating the solution set with crosshatching or shading. Explain how you determined where to draw the line and shade the area that represents the solution set. Score Answer: © 2012 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. Page 2 of 3 Graded Assignment MTH122A: Algebra I | Unit 7 | Lesson 16: Linear Equations and Inequalities Unit Test (11 points) 3. Given 4x – 8y = 8: Score a. Transform the equation into slope-intercept form. b. Find the slope and y-intercept of the line. c. Find the equation, in point-slope form, of the line that is perpendicular to this line and passes through the point (1, 2). Answer: Your Score © 2012 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. ___ of 25 Page 3 of 3
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