Question

Find the slope of each line

Answer 1

slope = - 2

Explanation:

To calculate the slope m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 2, 4) and (x₂, y₂ ) = (1, - 2) ← 2 points on the line

m =
`(-2-4)/(1+2)` =
`(-6)/(3)` = - 2