Question

Find slope of the line that passes through the point (-9,7) and (9,-3)

Answer 1

Explanation:

(x₁, y₁) = (-9, 7) & (x₂ , y₂) = (9 , -3)

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

`= (-3-7)/(9-[-9])\\\\= (-3-7)/(9+9)\\\\=(-10)/(18)\\\\= (-5)/(9)`