Fill in the blank with an appropriate word, phrase, or symbol(s). In a quadratic function of the

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Fill in the blank with an appropriate word, phrase, or symbol(s).

In a quadratic function of the form f (x) = ax2 + bx + c, if a is less than 0, then the graph of f (x) is a parabola that opens _________.

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A Survey Of Mathematics With Applications

ISBN: 9780135740460

11th Edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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