Question

need help

Answer 1

a) y=3x-10
b) y = -5/3 + 23/3

Answer 2

er
b is y=-1/3x+23/3

Answer 3

Equation of a line going through any point is:
\[(y-y_{0})=m(x-x_{0})\]
Plug in numbers and you get the answer that's already been posted.

The answer for a perpendicular line is the same as the answer to part (a), except the slope is the negative inverse. (So instead of m, it's -1/m).