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brinazarski

  • 3 years ago

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

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  1. Mertsj
    • 3 years ago
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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

  2. brinazarski
    • 3 years ago
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    All I have so far are a+b+c = -2 and b = -2 - a - c....

  3. brinazarski
    • 3 years ago
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    I have the other equations as well

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

  5. Mertsj
    • 3 years ago
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    |dw:1359309759841:dw|

  6. Mertsj
    • 3 years ago
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    Add the two equations and solve for b

  7. brinazarski
    • 3 years ago
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    you get 4 = 0... which makes no sense

  8. brinazarski
    • 3 years ago
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    wait

  9. Mertsj
    • 3 years ago
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    no doubt.

  10. brinazarski
    • 3 years ago
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    why is the b not negative in the first equation?

  11. brinazarski
    • 3 years ago
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    neeeever mind....

  12. Mertsj
    • 3 years ago
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    |dw:1359310053981:dw|

  13. Mertsj
    • 3 years ago
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    Solve for b

  14. brinazarski
    • 3 years ago
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    -2 then. ugh, i missed the -1^2. THANK YOU!!!!

  15. Mertsj
    • 3 years ago
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    yw

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