Question

What is the y-intercept of a line that passes through (1,3) and (5,-5)

Answer 1

5

Explanation:

`(y_(1) -y_(2))/(x_(1)-x_(2))`

`(3-(-5))/(1-5) = (8)/(-4) =-2` This is the slope

y=mx+b

3=(-2)(1)+b

+2 +2

5=b