Quadratic Formula

Front

What is the Quadratic Formula?

Back

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Back

a = 2, b = -3, c = -5.

Front

What does the discriminant (b² - 4ac) tell us about a quadratic equation?

Back

The discriminant determines the nature of the roots of the quadratic equation: if > 0, two distinct real roots; if = 0, one real root; if < 0, no real roots.

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Back

x = -8, 3.

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Back

x = -5, 1.5.

Front

True or False: The quadratic formula can be used to solve quadratic equations that cannot be factored.

Back

True.

Front

What is the first step in using the quadratic formula?

Back

Front

Back

x = -5/2, x = 7.

Front

What is a quadratic equation?

Back

Front

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

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