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anonymous

  • 4 years ago

The ordered pairs below represent a relation between x and y.(-3,-3), (-2,0), (-1,3), (0,6), (1,9), (2,12)Could this set of ordered pairs have been generated by a linear function?

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  1. Mertsj
    • 4 years ago
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    you could choose two of the points and write the equation of the line joining those points. Then plug in the other points and see if they make the sentence true.

  2. Mertsj
    • 4 years ago
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    Let's choose (1,9) and (2,12) The slope if 12-9/2-1 or 3

  3. Mertsj
    • 4 years ago
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    y-9=3(x-1) y=3x+6

  4. Mertsj
    • 4 years ago
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    Now plug in the other points and see if they are on that line.

  5. anonymous
    • 4 years ago
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    can you just give me the final answer & why?

  6. Mertsj
    • 4 years ago
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    did you plug in the other points?

  7. Mertsj
    • 4 years ago
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    They all work. so yes, those points are collinear.

  8. Mertsj
    • 4 years ago
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    Because they all make the sentence y=3x+6 true

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