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Pandemonium

  • one year ago

What is the solution set for this linear-quadratic system of equations? y = x2 − x − 12 y − x − 3 = 0 A. {(-3, 0), (0, 3)} B. {(-3, 0), (4, 0)} C. {(-3, 0), (5, 8)} D. {(4, 0), (0, 3)}

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  1. Pandemonium
    • one year ago
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    @mathmate

  2. Pandemonium
    • one year ago
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    @mathmate

  3. mathmate
    • one year ago
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    Start with step 1, read, understand the question, and write down a summary of the given and solution required.

  4. mathmate
    • one year ago
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    Start with step 1, read, understand the question, and write down a summary of the given and solution required. Rearrange the equations to a convenient form if necessary.

  5. Pandemonium
    • one year ago
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    ok is this like a plug-in situation or just what best fits?

  6. mathmate
    • one year ago
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    Yes, you can plug in all cases and find the right solution. However, remember that in real life, and also in higher math studies, you will not be given 4 choices. So all the "speed solve" techniques do not help you understand math. But it's a choice people have to make.

  7. anonymous
    • one year ago
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    x^2; y=−0.166667x−0.25

  8. Pandemonium
    • one year ago
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    oh ok and do i plug-in on the first one, second one or both?

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