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ki77a [65]
3 years ago
7

Find the axis of symmetry of 2x^2 + 12x + 16 Show your work

Mathematics
1 answer:
raketka [301]3 years ago
6 0

The vertex form:

y=a(x-h)^2+k\\\\(h,\ k)-vertex

The axis of symetry is x = h.

y=ax^2+bx+c\to h=\dfrac{-b}{2a}

We have

y=2x^2+12x+16\to a=2,\ b=12,\ c=16

Substitute:

h=\dfrac{-12}{(2)(2)}=\dfrac{-12}{4}=-3

<h3>Answer: x = -3</h3>
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