Question

Choose the equation of the line passing through the point (-3, -1) and perpendicular to y = x + 3.
a. y = -2x - 7

b. y = -2x +5

c.y = 2x + 5

d. y = 2x - 7

Answer 1

gradient of perpendicula = -1/m
gradient = -1
now apply formula
y-y1=m(x-x1)