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Math Help - solving by graphing

  1. #1
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    solving by graphing

    solve the equation graphically in the given interval. state each answer correct to two decimals.

    16x^3+16x^2=x+1 ; [-2,2]
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  2. #2
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    get out your graphing calculator ...

    graph the function

    y1 = 16x^3 + 16x^2 - x -1

    calculate the x-intercepts (zeros) in the given interval.
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  3. #3
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    Quote Originally Posted by Heather10 View Post
    solve the equation graphically in the given interval. state each answer correct to two decimals.

    16x^3+16x^2=x+1 ; [-2,2]
    Now, draw the graph f(x) = 16x^3 + 16x^2 and f(x)= x+1

    The solution graphically is

    (- 1, 0), (- 0.25, 0.75), (0.25, 1.25)
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