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    Solving Quadratic Equations

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    1. Solve. x2 = 21

    2. Solve. x2 - 24 = 0

    3. Solve by using the quadratic formula. x2 + 9x + 18 = 0

    4. Graph the quadratic equation after completing the given table of values. y = x2 + 2

    x y
    -2
    -1
    0
    1
    2

    5. Solve. -9(x - 3)2 = -7

    6. Solve by completing the square.
    2x2 + 4x + 1 = 0

    7. Solve by completing the square.
    4x2 + 2x - 3 = 0

    8. Solve by using the quadratic formula. 4x2 - 3x + 11 = 0

    9. Solve. (x - 4)2 = 64

    10. Find the constant term that should be added to make the following expression a perfect-square trinomial.
    x2 - 8x

    11. Graph the quadratic equation after completing the given table of values. y = x2 + 3x

    x y
    -3
    -2
    -1
    0
    1

    12. Graph the quadratic equation after completing the given table of values. y = x2 - 2x

    x y
    -1
    0
    1
    2
    3

    13. Graph the quadratic equation after completing the given table of values. y = x2 + 2x - 3

    x y
    -3
    -2
    -1
    0
    1

    14. Graph the quadratic equation after completing the given table of values. y = x2 - 5x + 4

    x y
    0
    1
    2
    3
    4

    15. Graph the quadratic equation after completing the given table of values. y = -x2 + 1

    x y
    -2
    -1
    0
    1
    2

    16. Graph the quadratic equation after completing the given table of values. y = -x2 - 2x

    x y
    -3
    -2
    -1
    0
    1

    © BrainMass Inc. brainmass.com December 15, 2022, 6:29 pm ad1c9bdddf
    https://brainmass.com/math/basic-algebra/solving-quadratic-equations-152018

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    Solution Summary

    Quadratic equations are solved by various methods.

    $2.49

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