Question

(18, -7) and (18, 2) m =

Answer 1

m = undefined

Explanation:

I'm assuming it's "m" as in y=mx+b

(18, -7), (18, 2)

(x₁, y₁) (x₂, y₂)

y₂ - y₁ 2 - (-7) 9

m = ----------- = ------------ = ---------- = undefined

x₂ - x₁ 18 - 18 0

I hope this helps!