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{{ printedBook.courseTrack.name }} {{ printedBook.name }} Consider the general expression of a quadratic function, $y=ax_{2}+bx+c,$ where $a =0.$ Let's note three things we can learn from this equation.

- The $y-$intercept is $c.$
- The equation of the axis of symmetry is $x=-2ab .$
- The $x-$coordinate of the vertex is $-2ab .$

$-2ab $

$-2(2)-8 $

Simplify

$2$