Math

1. For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. X: 16, 32, 48 Y: 4, 16, 36

2. Write an equation for the line that is parallel to the given line and passes through the given point. Y=5x+10; (2,14)

3. Write an equation for the line that is perpendicular to the given line and passes through the given point. Y-2=7/3 (x+5); (-4,9)

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  1. Aye, you did actually come back! I'm lucky that you're back so soon. I'll check your answers and see how you did.

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  2. Answer choices for 1:
    Yes; y=2x
    Yes; y=4x
    Yes; y=8x
    No
    Answer choices for 2:
    Y=1/5x+4
    Y=1/5x-4
    Y=5x-68
    Y=5x+4
    Answer choices for 3:
    Y-9=-3/7 (x-4)
    Y-9=3/7 (x-4)
    Y-9=-3/7 (x+4)
    Y-9=3/7 (x+4)

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  3. And what were your answers?

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  4. D, D, C?

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  5. Am I right?

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  6. correct on all three.

  7. Ah, I was way too slow to answer, but that's fine. I agree with bob! :) (i was dealing with my own problem a couple problems below) ^^;

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  8. Thanks you!

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