Question

A line passes through the points (-10,-4) and (-1,2)
What is the y-intercept of the line?

Answer 1

1. Find its slope
2. Express the line in point-slope form
3. Put x=0 to find the y-intercept.

Answer 2

im so lost

Answer 3

if you could show me some work so i can refer to that would be great

Answer 4

Do you know how to calculate the slope between two points? You WILL be expected to know this on an exam.

Answer 5

The slope is the change in the y coordinates divided by the change in the x coordinates.