Question

Find the slope of the line through the pair of points. A(2, –3), P(2, 9)
A. 0

B. 2/3


C. -1/3-1/3

D. undefined

Answer 1

undefined since difference of (2-2) = 0 and anything divided by 0 is undefined.

Answer 2

\[
{\rm slope}=\frac{y_2-y_1}{x_2-x_1}
\]plug in the points. what do you get?

Answer 3

12/0