Question

Write an equation for the lines that pass through the point (2,7) and is parallel and perpendicular to the line y=-3x-6.

Answer 1

Parallel line:

7 = -3(2) + b

7 = -6 + b

b = 13

y = -3x + 13

Perpendicular line:

7 = (1/3)(2) + b

7 = 2/3 + b

b = 19/3

y = (1/3)x + 19/3