Bell Ringer-Identifying the Vertex of Quadratic Functions

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What is the standard form of a quadratic function?

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What does the 'a' value in a quadratic function indicate?

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The 'a' value indicates the direction of the parabola: if 'a' is positive, it opens upwards; if negative, it opens downwards.

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Front

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What is the axis of symmetry in a quadratic function?

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How can you determine if a quadratic function has a maximum or minimum value?

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If 'a' is positive, the function has a minimum value at the vertex; if 'a' is negative, it has a maximum value.