### Home > INT1 > Chapter 7 > Lesson 7.2.1 > Problem 7-89

7-89.

Write the equation of the line passing through the points.

Find the slope between the two points

Use the slope-intercept form (

). Substitute the slope (), and one pointor for andto solve for.Is

also on the same line? Explain your reasoning.

Use the eTool below for part (b).

Click the link at right for the full version of the eTool: *7-89 HW eTool*