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Usimov [2.4K]
3 years ago
6

Find the vertex and the axis of symmetry of the graph of f(x)=3(x+1)^2

Mathematics
1 answer:
lidiya [134]3 years ago
5 0
General form of vertex of a parabola is

y  = a(x - b)^2 + c     where vertex  = (b , c)


for this equation the vertex is at (-1,0).

the axis of symmetry  is  x = -1
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================================================

Work Shown:

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First I subtracted y/b from both sides. Then I multiplied both sides by 'a' to fully isolate x. You can optionally distribute the 'a' through to each term inside the parenthesis, but your teacher has chosen not to do this.

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*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

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