Mathematics

9th -

11thgrade

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Solving Quadratic Equations with Quadratic Formula

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  • 1. Multiple Choice
    5 minutes
    1 pt

    Solve using the Quadratic Formula:

     2x2+7x15=02x^2+7x-15=0  

     x=1.5, 5x=-1.5,\ 5  

    No Solution

     x=5, 1.5x=-5,\ 1.5  

     x=0.7, 5x=0.7,\ 5  

  • 2. Multiple Choice
    5 minutes
    1 pt

    Solve using the Quadratic Formula:
    (Hint: Set the equation = to 0)

     x2+4x40=8x^2+4x-40=-8  

     x=10, 4x=-10,\ -4  

     x=4, 10x=-4,\ 10  

     x=8, 4x=-8,\ 4  

     x=4, 8x=-4,\ 8  

  • 3. Multiple Choice
    5 minutes
    1 pt

    Solve using the Quadratic Formula:

     2x2x3=02x^2-x-3=0  

     x=32, 1x=-\frac{3}{2},\ 1  

     x=1, 32x=-1,\ \frac{3}{2}  

     x=32, 1x=-\frac{3}{2},\ -1  

     x=1, 32x=1,\ \frac{3}{2}  

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