### Home > CCA > Chapter 2 > Lesson 2.3.2 > Problem 2-91

2-91.

Find the equation of the line that goes through the points *2-91 HW eTool* (Desmos). Homework Help ✎

One strategy is to graph the two points and make a slope triangle to find the slope of the line.

Use the slope triangle to find the slope of this line.

Substitute a pair of coordinates for and

*and the slope to solve for*

*.*

Substitute the values found for and

*into the equation of the line.*

Use the eTool below to help solve the problem.

Click the link at right for the full version of the eTool: *CCA 2-91 HW eTool*