Question

Which equation of a line is perpendicular to y=-1/3x+4?

a. y= -1/3x +4
b. y= 3x+2
c. y= -1/3x-4
d y= 1/3x+4

Answer 1

b

Explanation:

perpendicular lines have reciprocol slopes,the given line has a gradient of _1/3 nd its reciprocal is 3