Question

What is the y-intercept of the line?

y = -2x - 8

y-intercept =

Answer 1

if the x column is 0 then the y intercept should be (-8) 

Answer 2

The general format is y = mx + c.

Where m is the gradient and the y intercept is c.

So comparing to  y = -2x - 8

m = -2 and c = -8.

Therefore the y intercept is = -8.

I hope this helps.