CPM Homework Banner

Home > AC > Chapter 8 > Lesson 8.2.4 > Problem 8-81

8-81.

Find the equation of the line through the points and .

  1. What is the slope of the line?

  2. Is the point on the line? How can you tell?

Graph the points and make a slope triangle to find the slope.

Substitute the coordinates into the equation to see if the point is on the line.