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anonymous

  • one year ago

What is the factorization of the polynomial graphed below? Assume it has no constant factor.

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    x^2-4x

  3. LynFran
    • one year ago
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    to find the factorization of the polynomial we must first locate the given roots note: the roots are the x-value (x-intercepts)...where the curve/graph cuts the x-axis

  4. LynFran
    • one year ago
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    the scale of the x-axis is 2 units to 1..ie... 2,4,6,8,...

  5. LynFran
    • one year ago
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    so...|dw:1441499949869:dw|

  6. LynFran
    • one year ago
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    |dw:1441500002518:dw|

  7. LynFran
    • one year ago
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    x=-4 and x=4 are the roots

  8. LynFran
    • one year ago
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    now this question is not asking for the roots ... it really want to know whats the factor before we solve for the root...now to do that we carry over the 4 and -4 over the equal sign... by.... adding 4, and subtracting 4 respectively for the given x-intercepts

  9. LynFran
    • one year ago
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    so x=-4 x+4=0 (x+4) and x=4 x-4=0 (x-4) so our factorization of the polynomial is (x+4)(x-4)=0

  10. LynFran
    • one year ago
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    which is indeed option A

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