Theequationoflinegis

Question

y
=
–7
6
x
+ 4
. The
equationoflinehis
y
=
6
7
x
+ 4
. Are
linegandlinehparallelorperpendicular?

Answer 1

The lines g and h have slopes of -7/6 and 6/7 respectively. Since the product of their slopes is -1 (-7/6 * 6/7 = -1), we can conclude that the lines are perpendicular.