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Popular Functions >

symmetry (x+2)^2-4

Solution

symmetry

Solution

x = - 2

Solution steps

y = (x + 2)^{2} - 4

Rewrite in standard form:

y = x^{2} + 4 x

y = x^{2} + 4 x

Axis of Symmetry for

y = a x^{2} + b x + c

is

x = \frac{- b}{2 a}

a = 1, b = 4

x = \frac{- 4}{2 \cdot 1}

Refine

x = - 2

Graph

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Frequently Asked Questions (FAQ)

What is the symmetry (x+2)^2-4 ?
The symmetry (x+2)^2-4 is x=-2