Question

Find the slope, if it exists, of the line containing the pair of points.
(9,0) and (0,-9), I know the equation, but need the answer please.
Select the correct choice below, and if necessary, fill in the answer to complete your choice.
A: The slope m =____________(simplify your answer. Type an integer or a fraction.

B: The slope is undefined

Answer 1

\[m=\frac{y _{1}-y _{2}}{x _{1}-x _{2}}=\frac{0-(-9)}{9-0}=\frac{9}{9}\]

Answer 2

You're the best!!!!

Answer 3

Thx :)