Question

NEED HELP!! ITS ALGEBRA 1

The equations of four lines are given. Identify which lines are perpendicular.
Line 1: y=−5
Line 2: y=¼ x-1
Line 3: x=−6
Line 4: y+5=−4(x+1)

Answer 1

I’ve attached my work....
Perpendicular is when the slope is. Flipped and opposite signs so that’s what I test for each line
Hope this helps!