Question

find the equation of the straight line passing through the point (3, 3) which is perpendicular to the line y=-1/2x-4

Answer 1

y = 2x - 3

Explanation:

The negative recipricol is -1/(-1/2) = 2

Use point-slope equation:

y-y1 = m(x-x1)

x1 = 3, y1=3

y-3 = 2(x-3)

y-3 = 2x-6

y = 2x-3