Question

Find the slope of the line passing through the points (-9, 2) and (-9, -6)

Answer 1

Step-by-step explanation:

use the formula of gradient:

slope=change in y/ change in x

=
`(Y2-Y1)/(X2-X1)`

=
`(-6-2)/(-9--9)`

=
`(-8)/(0)`

the answer is definite because we cannot divide by 0.