Question

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

Answer 1

Answer:

lines 2 and 4 are perpendicular

Step-by-step explanation:

if the slopes of two lines are opposed reciprocals, they are perpendicular. in this case the slope of line 2 is -1/2 and the slope of line 4 is 2 after you solve for y=mx+b form