Question

what is the slope of a line that is perpendicular to the lione represented by the equation 8x-2y=4
a)-1/4
b)-4
c)4
d)1/4

Answer 1

8x-2y=4
-2y =4 - 8 x
y = - 2 + 4x

The slopes of lines perpendicular to one another when multiplied give -1.
4 * m = - 1
m = -1/4