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brinazarski Group Title

Can someone help me solve this problem? http://i158.photobucket.com/albums/t120/brinazarski2/q_zps64202943.png

  • one year ago
  • one year ago

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  1. Mertsj Group Title
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    Well, we know that d = 2 so fill in the other ordered pairs. You will have 3 equations with 3 variables. Solve for b

    • one year ago
  2. brinazarski Group Title
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    All I have so far are a+b+c = -2 and b = -2 - a - c....

    • one year ago
  3. brinazarski Group Title
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    I have the other equations as well

    • one year ago
  4. brinazarski Group Title
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    I just don't get how to solve for b. Right now I'm trying to plug in random answers.

    • one year ago
  5. Mertsj Group Title
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    |dw:1359309759841:dw|

    • one year ago
  6. Mertsj Group Title
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    Add the two equations and solve for b

    • one year ago
  7. brinazarski Group Title
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    you get 4 = 0... which makes no sense

    • one year ago
  8. brinazarski Group Title
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    wait

    • one year ago
  9. Mertsj Group Title
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    no doubt.

    • one year ago
  10. brinazarski Group Title
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    why is the b not negative in the first equation?

    • one year ago
  11. brinazarski Group Title
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    neeeever mind....

    • one year ago
  12. Mertsj Group Title
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    |dw:1359310053981:dw|

    • one year ago
  13. Mertsj Group Title
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    Solve for b

    • one year ago
  14. brinazarski Group Title
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    -2 then. ugh, i missed the -1^2. THANK YOU!!!!

    • one year ago
  15. Mertsj Group Title
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    yw

    • one year ago
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