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The graph of the equation $y =ax^2 + bx + c$, where $a$, $b$, and $c$ are constants, is a parabola with axis of symmetry $x = -3.$ Find $\frac{b}{a}$.

 Jun 16, 2018
 #1
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the axis of symmetry goes thru the vertex

 

and the vertex is -b/2a

 

so -3 = -b/2a

 

so fraction b/a would be 6?

 Jun 16, 2018
 #2
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Looks good to me :)

Melody  Jun 17, 2018

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