Question

if AB contains the points (19,3) and (-5,-13). What is the slope of a line perpendicular to AB?

Answer 1

Find the slope and take the opposite receiprocal

Answer 2

how do i find the slope?

Answer 3

\[change \in y\]--------\[change \in x\]

Answer 4

Using the slope formula:

\[Slope = {y_2 - y_1 \over x_2 - x_1}\]

Answer 5

(-13-3)/(-5-19) = -16/-24 =2/3 so the perpendicular line would have a slope of -3/2

Answer 6

after gettin the gradient remember that the product of the two gradients is a -1