Question

write an equation of the line passing through the point A(-1, 5) that is perpendicular to the line y=1/7x+4​

Answer 1

y = 1/7x + 4

1/7 * a2 = -1

a2 = -7

y = -7x + b

A = (-1, 5)

-7 * (-1) + b = 5

7 + b = 5

b = -2

y = -7x - 2