Question

Identity the x-intercept of the liner equation 3x + y -9=0

Answer 1

The x intercept is 3

(3,0)

Explanation:

3x+y -9 =0

To find the x intercept, set y=9 and solve for x.

3x+0-9=0

3x -9=0

Add 9 to each side

3x-9+9=9

3x =9

Divide by 3

3x/3 = 9/3

x =3

The x intercept is 3

(3,0)