Question

Which linear function has a x-intercept at -18?

A) Y=1/3x+6
B) Y=3x+3
C) Y=-3x+12
D) Y=-3x-6

Answer 1

A) Y=1/3x+6

Explanation:

1. Subtract 6 from both sides.

-6 = 1/3 x

2. Divide 1/3 from both sides.

`- 6 / ( (1)/(3) ) = x`

x = -18