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What is the equation of the line of symmetry of the parabola y = -5x^2+17x-12 ?

waffles  Nov 8, 2017
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y = -5x^2+17x-12 

 

We can find the line of symmetry by finding the x coordinate of the vertex....this is given by

 

-17 / (2 * -5)  = -17/-10 =  17/10

 

So...the equation for the line of symmetry is just   x  = 17/10

 

Here's a graph : https://www.desmos.com/calculator/gckwjghnxa

 

cool cool cool

CPhill  Nov 8, 2017

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