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10-2 Quadratic Functions

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Graphing y = ax² + bx + c Step 1 Find the equation of the axis of symmetry and the coordinates of the vertex. Step 2 Find two other points on the graph. Step 3 Reflect points across the axis of symmetry. Step 4 Draw Curve

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Ex 1: Graphing y = ax² + bx + c

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Ex 2: Graphing y = ax² + bx + c

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Graphing Quadratic Inequalities Step 1 Graph parabola, Dashed for and Solid for Step 2 Test a point Step 3 If point is a solution shade that side of the line. If point is not a solution shade the other side of the line.

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Ex 3: Graphing Quadratic Inequalities

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Ex 4: Graphing Quadratic Inequalities

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CW – 10-2 WB pg 129, 1-10 all HW – 10-2 WB pg 129, 11-21 all

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CW – 10-2 WB pg 129, 22-25 all HW – 10-2 WB pg 129, 26-30 all

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CW – TX pg 711 1-10 all HW – TX pg 711 11-20 all

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