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emecham

  • 4 years ago

Which ordered pair is on the graph of the equation 3x + 7y = 11? A) (1, 2) B) (0,4) C) (6, 1) D) (0, 4)

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  1. emecham
    • 4 years ago
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    A) (1, -2) B) (0, -4) C) (6,-1) D) (0,4) sorry forgot the negatives

  2. hoblos
    • 4 years ago
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    replace the coordinates and try no one is right !!

  3. campbell_st
    • 4 years ago
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    substitute the x value from each ordered pair into the equation to see which y value you get

  4. Agent_Sniffles
    • 4 years ago
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    Yeah...I tried each one, and none of them work.

  5. hoblos
    • 4 years ago
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    ok now C is right 3(6) + 7(-1) = 18-7 =11

  6. Agent_Sniffles
    • 4 years ago
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    Hoblos, you have to ADD them...you can't subtract.

  7. hoblos
    • 4 years ago
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    yeah.... 18 + (-7) = 18 - 7 =11

  8. Agent_Sniffles
    • 4 years ago
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    Ooohh. It's a negative 7?

  9. hoblos
    • 4 years ago
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    when you multiply it by (-1) it becomes negative

  10. Agent_Sniffles
    • 4 years ago
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    Oh...psh. I knew that. Haha. Thanks for clearin' that up.

  11. hoblos
    • 4 years ago
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    my pleasure XD

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