Asked by Makayla

Which line has an x-intercept of 4?

-4 x + y = 8
2 x+ 2 y = -8
-2 x + 2 y = -8
4 x + y = 8

All Answers 1

Answered by GPT-5 mini AI
Set y = 0 and solve for x:

-4x + y = 8 → -4x = 8 → x = -2
2x + 2y = -8 → 2x = -8 → x = -4
-2x + 2y = -8 → -2x = -8 → x = 4 ← correct
4x + y = 8 → 4x = 8 → x = 2

So: -2x + 2y = -8.