CPM Homework Banner

Home > CCG > Chapter 2 > Lesson 2.2.1 > Problem 2-69

2-69.

Examine the graph below. 2-69 HW eTool (Desmos) Homework Help ✎ .

  1. Find the equation of the line.

    What are the slope and -intercept?

  2. Is the line perpendicular to this line? How do you know?

    Yes, it is perpendicular because the slopes are opposite reciprocals.

  3. On graph paper, graph if and . Then find the equation of .

    Graph the points. What are the slope and -intercept?

  4. Find an equation of if  from part (c).

    Many answers are possible depending on your choice of -intercept. Your slope should be .

Use the eTool to help you with this problem.
Click the link at right for the full version of the eTool: CCG 2-69 HW eTool