Question

What is the x-intercept of the line with the equation ?
1/3x+y=-15
( , 0)

Answer 1

To find x-intercept, set y = 0. So (1/3)x + 0 = - 15. So (1/3)x = - 15. Multiply by 3 on each side, x = -45. 

X-Int = - 45 or (- 45, 0)