Unit 4 Review (Quadratics)

Front

What is a quadratic function?

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Front

What does the graph of a quadratic function look like?

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The graph of a quadratic function is a parabola, which can open upwards or downwards depending on the sign of the coefficient 'a'.

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What is the vertex of a parabola?

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The vertex of a parabola is the highest or lowest point on the graph, depending on whether it opens downwards or upwards.

Front

How do you find the x-value of the vertex of a quadratic function?

Back

Front

What is the axis of symmetry in a quadratic function?

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Front

What is the y-intercept of a quadratic function?

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Back

Front

What are the roots of a quadratic equation?

Back

The roots (or zeros) of a quadratic equation are the values of x that make the equation equal to zero, found using factoring, completing the square, or the quadratic formula.

Front

What is the quadratic formula?

Back

Front

What does the discriminant tell us about a quadratic equation?

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