Question

What is the y-intercept for the equation `7x+2y = -12`?

Answer 1

`y=-6`

Explanation:

y-intercept is where the line crosses the y-axis. The y-axis crosses the x-axis at `x=0` so by substitution we have:

`7(0)+2y=-12`

`2y=-12`

`y=-12/2=-6`

So the line crosses the y axis at `y=-6`