Mathematics
Grade9
Easy
Question
Line h passes through (3,0) and (7,6). Find the slope of the line perpendicular to h.
- -1
Hint:
We know that product of slope of two perpendicular lines are -1. So to find the slope of perpendicular line first we find slope of h and then slope of perpendicular line.
The correct answer is:
Line h passes through points (3,0) and (7,6).
So, slope of line h, m = 
=
=
So, slope of line perpendicular to h =
=
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