### Home > GB8I > Chapter 3 Unit 4 > Lesson INT1: 3.1.4 > Problem 3-48

3-48.

Write the equation of each line described below:

A line that goes through the points

and . Review the Math Notes box in Lesson 2.3.2.

Substitute the slope in for

and one set of coordinates, say, in for and. Then solve for the-intercept. A line with a slope of

that passes through the point . See part (a).

A line with a slope of

that passes through the point . See part (a).