CPM Homework Banner

Home > CCA > Chapter 2 > Lesson 2.2.3 > Problem 2-71

2-71.

Stoplight icon Find the slope of the line passing through each pair of points below. Homework Help ✎

  • One possible option is to plot the points, make a line connecting them, and make a slope triangle to find the rise over the run.

    A second possible way is to subtract the 's and then subtract the 's.

  1. and 

    The slope of part (a) is .

  1. and

  1. and

  1. and 

  1. Azizah got for the slope of the line through points and . Explain to her the mistake she made and how to find the slope correctly.

  • Solve using one of the two methods above, and compare your answer to the slope that Azizah found.