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anonymous

  • one year ago

it IS EITHER C OR D PLEASE HELP Solve 2x2 − 8x = −7. negative 2 plus or minus square root of 2 negative 2 plus or minus 2 square root of 2 quantity of 2 plus or minus square root of 2 all over 2 2 plus or minus square root of 2 end root over 2

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  1. anonymous
    • one year ago
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    HERE

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  2. xapproachesinfinity
    • one year ago
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    complete the square, or use the quadratic formula!!

  3. xapproachesinfinity
    • one year ago
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    i would save time and do quadratic lolz

  4. welshfella
    • one year ago
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    try and solve it yourself - it will benefit you more than just knowing the answer

  5. anonymous
    • one year ago
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    It's D...am I right?

  6. xapproachesinfinity
    • one year ago
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    here is the quadratic if you don;t rem \(\Large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}~~~ for~a~general~equation~of ~the~form~ \\ax^2+bx+c=0\)

  7. xapproachesinfinity
    • one year ago
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    rewrite your equation like this \(2x^2-8x+7=0\) now you have everything under your nose just work :)

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spraguer (Moderator)
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