Question

Find the slope m and y-intercept b. (If an answer is undefined, enter UNDEFINED. If an answer does not exist, enter DNE.)

x = −9
m =

b =

Answer 1

Answer: undefined, DNE

Explanation:

This is a vertical line, so there is an undefined slope and no y-intercept.

• There is no y-intercept because the line does not pass through the origin.