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Which of the following is an equation of...

Which of the following is an equation of the line that has a y - intercept of 6 and an x - intercept of `-2` ?

A

`3x-y=6`

B

`3x-y=-6`

C

`3x+y=6`

D

`6x+y=3`

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The correct Answer is:
B
A y-intercept of 6 means that one point on the line is (0, 6). Plug x = 0 and y = 6 into the answer choices, and you'll find that only (B) and (C )work. Now test those two choices with the x - intercept `(-2,0)`. Of (B) and (C ), only (B) works this time.
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