Question

What is the y-intercept (b) of the line that passes through (1,1)(2,5) You must solve for slope (m) first.

b=

Answer 1

slope (m) is 4, y-intercept (m) is -3

Explanation:

y=4x-3

use y¹-y² over x¹-x² to find slope, then use one of the points to fill in for x and y to find y-intercept