Answers

2014-01-15T22:55:33+08:00
passes through(-2,0), and is perpendicular to the line  y = 2x
you can use the point slope formula
you have a point (-2,0) and a slope m= -1/2

y-0 = (-1/2)(x-(-2))
y = \frac{-1}{2} x -1
0