Question

What is the y-intercept of the line that passes through the points (2, -1) and (-3, 9)?

Answer 1

y- intercept: 3

Explanation:

m = (y-y')/(x-x')

y = mx + b b: y intercept

m = (9 - -1) / (-3 -2) = 10 / -5 = -2

b = y - mx = -1 - (-2)*2 = -1 + 4 = 3