Question

Find the equation of a line perpendicular to −4x+y=−5 that contains the point (−5,1).

Answer 1

Explanation:

y = 4x - 5

perp. -1/4

y - 1 = -1/4(x + 5)

y - 1 = -1/4x - 5/4

y - 4/4 = -1/4x - 5/4

y = -1/4x - 1/4