W Write an equation of A-line that passes through the point (2,0) and is perpendicular to the line y= -1/2x + 3

Respuesta :

Perpendicular is opposite sign and reciprocal
-1/2 = 2, the slope is 2
Y = 2x + b, plug in point
0 = 4 + b, b = -4
Equation: y = 2x - 4