Quadratics & Imaginary Numbers Practice

Front

Back

x = 0 ; x = 3

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Back

x = \frac{3 \pm i \sqrt{31}}{2}

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Back

x = -3 ; x = 2

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Back

i

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Back

x = 8 or -8

Front

Define a quadratic equation.

Back

Front

What is the discriminant of a quadratic equation?

Back

Front

What does it mean if the discriminant is negative?

Back

If the discriminant is negative, the quadratic equation has two complex (imaginary) roots.

Front

What is the vertex of a parabola represented by a quadratic equation?

Back

Front

What is the standard form of a quadratic function?

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