Question

What is the equation of the following line? (1, 9) (0, 0).

Answer 1

y = 9x

Explanation:

y = mx + b

slope = m = (9 - 0)/(1 - 0) = 9

y = 9x + b

The y-intercept is (0, 0), so b = 0.

Answer: y = 9x