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Find the maximum or minimum of the following quadratic function: y = x^2 - 2x - 4. A. -5 B. -4 C. 5 D. 4

Mathematics
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the maximum or minimum occurs at the vertex so you need to find the vertex of this do you know how to find the coordinate of the vertex
Not really.
Well the x coordinate of the vertex is given by x = -b/2a Once you find the x coordinate, then plug this into the original equation to find the y value which is the maximum value

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From my graphing... The minimum = -5
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Thank you!!

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