Question

What slope would make the lines
perpendicular?
y = 1/2x-1
y = [?]x - 1

Answer 1

y = [-2]x - 1

Explanation:

y = [-2]x - 1 will make the lines perpendicular.

Because the product of slopes of perpendicular lines is -1

-> 1/2*(-2) = -1

Hope it helps you in your learning process.