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anonymous

  • 5 years ago

Number 19

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  1. anonymous
    • 5 years ago
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  2. Mertsj
    • 5 years ago
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    If you plug the two points into the given equation, you will have two equations with 2 variables.\[3=A+B(1-1)+C(1-1)(1+1)\] \[3=A+B(0)+C(0)(2)\] \[3=A\]

  3. Mertsj
    • 5 years ago
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    Now let's try the other point.

  4. Mertsj
    • 5 years ago
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    \[17=3+C(-1-1)+C(-1-1)(-1+1)\] \[17=3+B(-2)+C(-2)(0)\] \[17=3-2B\] \[14=-2B\] \[-7=B\]

  5. Mertsj
    • 5 years ago
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    So A = 3 and B = -7

  6. anonymous
    • 5 years ago
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    THANKS

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