Question

What.is the y intercept of a line given by the equation y=5×-21?

Answer 1

-21

Explanation:

If the equation of the line is

`y=mx+b,`

then
`m` is the slope of the line and
`b` is the y-intercept of the line.

In your case, the equation of the line is
`y=5x-21.`

So, the slope of this line is
`m=5` and the y-intercept is
`b=-21.`