Question

Determine whether the following lines are parallel, perpendicular, or neither.
y – 1 = 4(x + 4) and -4y = x - 28
Answer

Parallel

Perpendicular

Same Line

None of these

Answer 1

perpendicular

Answer 2

to answere need to know slopes
set up as slope intercept form for ease

Answer 3

the slopes are negative reciprocals of eachother

Answer 4

The equation on the left is in point-slope form, you don't have to change that equation to slope-intercept. You can see the slope is 4 in that form.