### Home > CC4 > Chapter 5 > Lesson 5.1.2 > Problem 5-23

5-23.

Calculate the slope of the line through the points

Write the equation of the line.

Review the Math Notes box in Lesson 2.3.2.

Substitute slope and one point into

and evaluate for or Is the point (–3, 4) on the line you found in part (a)? How can you tell?

If you substitute

in for , will the value ofbe?