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anonymous

  • one year ago

Which of the following represents this function in standard form y=3(x-1)(x+6)

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    y=3x2+15x−18

  3. anonymous
    • one year ago
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    You just need to release the brackets |dw:1443810735844:dw| This is FOIL rule.

  4. anonymous
    • one year ago
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    first lets do without 3. We will get (x-1)(x+6) = x*x + 6x - 1x - 1*6 = x^2 + 5x - 6

  5. anonymous
    • one year ago
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    its C.

  6. anonymous
    • one year ago
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    now multiply all three terms by 3 3x^2 + 15x - 18

  7. anonymous
    • one year ago
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    Your answer is C. :)

  8. anonymous
    • one year ago
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    Ohhhh I kept getting a positive for 18, so I got confused! Thanks :D

  9. anonymous
    • one year ago
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    np :) :)

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