### Home > CC4 > Chapter 1 > Lesson 1.2.1 > Problem 1-40

1-40.

A line passes through the points A(–3, –2) and B(2, 1). Does it also pass through the point C(5, 3)? Justify your conclusion. *1-40 HW eTool** *(Desmos). Homework Help ✎

Use the eTool below to solve the problem.

Click the link at right for the full version of the eTool: Int1 1-40 HW eTool

Look at the points and the line on the eTool. One strategy is to plot the two points on a graph and draw the line carefully. Is point C on the line?

What is the slope between points *A* and *B*? What is the slope between points *B* and *C*? Are they equal?