Write an equation of a line perpendicular to line AB below in slope-intercept form that passes through the point (7, 6). Line AB is shown. A is at 0, 1. B is at negative 2, 5.

A. y = 2x − 20

B. y = 0.5x − 2.5

C. y = 0.5x + 2.5

D. y = −2x + 20