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

2 Answers

7 votes

Answer:

(-45,0)

Explanation:

I took the test

User Veben
by
7.8k points
6 votes

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).

User Gustavo Niemeyer
by
7.8k points

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