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April 16, 2014

Homework Help: math algebra trig

Posted by CHEYANNE MARIE on Saturday, May 5, 2012 at 7:42pm.

For the graph of each function, find an equation of the line of symmetry and the coordinates of the vertex. Tell whether the value of the function at the vertex if a maximum or a minimum:

a) y = -x^2 + 4x - 7;


b) y = 2x^2 + 4x;


c) y = -3x^2 - 18x + 5.

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