Question

Find the x-intercept and the y-intercept 7x-3y=21

Answer 1

y-intercept:

Plug in 0 for 'x' to find the y-intercept:

`7x - 3y = 21`

`7(0) - 3y = 21`

`0 - 3y = 21`

`-3y = 21`

Divide -3 to both sides:

`y = -7`

So the y-intercept is -7.

x-intercept:

`7x - 3y = 21`

Plug in 0 for 'y' to find the x-intercept.

`7x - 3(0) = 21`

`7x - 0 = 21`

`7x = 21`

Divide 7 to both sides:

`x = 3`

So the x-intercept is 3.

Answer 2

y-int= -7 , x-int= 3