SOLUTION: Indicate the axis of symmetry of the parabola y = x^2 + 8x + 20

SOLUTION: Indicate the axis of symmetry of the parabola y = x^2 + 8x + 20

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Question 250565: Indicate the axis of symmetry of the parabola
y = x^2 + 8x + 20
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Indicate the axis of symmetry of the parabola
y = x^2 + 8x + 20
.
Remember the quadratic formula?

.
Well, the axis of symmetry can be found by:

The quadratic formula but without the +- radical.
.

(axis of symmetry)

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