Question

Line AB contains points A (1, 2) and B (−2, 6). The slope of line AB is

Answer 1

m=(y2-y1)/(x2-x1)
m=6-2/-2-1
4/-3

Answer 2

Since line AB is passing through two points
therefore
\[slope -of -AB = \frac{y_1-y_2}{x_1-x_2} = \frac{2-6}{1+2} = \frac{-4}{3} \]

@lucy27

Answer 3

thankyou!!!!!

Answer 4

The equation of line CD is (y−3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD