Question

What is the equation of that is perpendicular 1/2 x + 2 and passes through the point (1,3)

Answer 1

y = -2x + 5

Explanation:

In order to be perpendicular to a given line, the other line must have an opposite reciprocal slope.

`y-3=-2(x-1)\\y-3=-2x+2\\y=-2x+5`