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Find the axis of symmetry and vertex for the parabola y=−5x^2+30x+7.

 Jul 24, 2020
 #1
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The axis of symmetry is the 'x' value of the vertex, which can be found by   x = -b / 2a    where a = -5   b=30

    or you can find the two zeroes of the equation.....the axis of summetry is exactly between the zeroes.

 Jul 24, 2020

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