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12-4 Quadratic Functions CA Standards 21.0 and 22.0 CA Standards 21.0 and 22.0 Graph quadratic functions; know that their roots are the x-intercepts; use factoring to find x-intercepts Graph quadratic functions; know that their roots are the x-intercepts; use factoring to find x-intercepts

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Vocabulary Parabola A curved 2 nd degree function.

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Vocabulary Vertex The maximum or minimum point of a parabola.

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#1 Graph the Following Quadratic Function x y 7 7 -7

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Vocabulary x-intercepts The point(s) at which the graph crosses the x-axis; when solving algebraically, set the range equal to 0.

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#2 Find the x-intercepts of the Parabola x y 7 7 -7

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Vocabulary Axis of Symmetry The fold of the graph so the two sides of the parabola coincide.

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#3 Find the Axis of Symmetry of the parabola x y 7 7 -7

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#4 Graph the Following Quadratic Function x y 7 7 -7

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#5 Find the x-intercepts of the function

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