Question

The equations of four lines are given. Identify which lines are perpendicular.

Line 1: y=2
Line 2: y=1/5x−3
Line 3: x=−4
Line 4: y+1=−5(x+2)

Answer 1

Line 2 and Line 4 are perpendicular

Explanation:

Line 2: y=1/5x−3

Line 4: y+1=−5(x+2)