KP Unit 6 Review

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The vertex is (12, 7).

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The solutions are (3, 4) and (7, -4).

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CCSS.HSA.REI.C.7

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The discriminant is -23, indicating two complex conjugate solutions.

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CCSS.HSA-REI.B.4B

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The x-intercepts are (3, 0) and (-1/2, 0).

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CCSS.HSF-IF.C.7A

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The vertex is (2, 9).

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Define the vertex of a quadratic function.

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The vertex is the highest or lowest point of the parabola represented by the quadratic function.

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What does the discriminant of a quadratic equation tell us?

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The discriminant indicates the nature of the roots: positive means two real solutions, zero means one real solution, and negative means two complex solutions.

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

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What are the x-intercepts of a function?

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CCSS.HSF-IF.C.7D