Question

Please answer I really need help with this problem

Answer 1

m =
`(d-a)/(c+7)` , c ≠ - 7

Explanation:

Calculate the slope m using the slope formula

m =
`(y_(2)-y_(1) )/(x_(2)-x_(1) )`

with (x₁, y₁ ) = (- 7, a ) and (x₂, y₂ ) = (c, d )

m =
`(d-a)/(c-(-7))` =
`(d-a)/(c+7)` , c ≠ - 7