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Find the x intercept of the line -4x-2y=16 (-4,0) (4,0) (0,8) (0,-8)
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5 votes
Find the x intercept of the line
-4x-2y=16
(-4,0)
(4,0)
(0,8)
(0,-8)

User Greig Fotheringham
by
8.5k points

1 Answer

5 votes
So you have to make it so that y is on one side

So,

-4x = 16 + 2y Add 2y to both sides

-4x - 16 = 2y Subtract 16 from both sides

-2x - 8 = y Divide by 2 so that y is alone

So plug in the multiple choice questions

(-4, 0)

-2(-4) - 8 = 0

8 - 8 = 0

The Answer is A
User Jaskier
by
8.1k points
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