CPM Homework Help : INT1 Problem 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.

Hint:

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?

Hint 2:

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

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