Pre Calcu

Use the quadratic formula to find the zeros of f

F(x)=2x^2-4x-11

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  1. { 4 +/- sqrt (16 + 88) ] /4

    [ 4 +/- sqrt(104) ]/ 4

    [ 4 +/- 2 sqrt (26) ]/4

    1 +/- 0.5 sqrt(26)

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    posted by Damon
  2. Wouldn't it be 16-88?

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  3. Oh, wait nvm. I didn't notice the negative sign on the 11

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