Question

Finding Slopes of Perpendicular Lines

Given POIPO
Prove
= -1
PO
Ph.
PO
C-
QO
Qisa
Check

Answer 1

You can find the slope of a line perpendicular to this line by using the points and going through (y2− y1) (x2 − x1) ( y 2 - y 1) ( x 2 - x 1), or you can just nab it right out of the slope-intercept form! Yes, the slope of this line is 3 4 3 4.

Explanation: