Question

What is the x-intercept of the line with the equation 1/3x+y=-15

Answer 1

(-45,0)

Explanation:

I took the test

Answer 2

The x-intercept is for y = 0.

substitute y = 0 to the equation of the function:

`(1)/(3)x+y=-15\\\\(1)/(3)x+0=-15\\\\(1)/(3)x=-15\qquad\text{multiply both sides by 3}\\\\\boxed{x=-45}`

Answer: x-intercept = -45 → (-45, 0).