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What is the axis of symmetry for f(x) = 2x2 + 4x + 2 a. x=-3 b)x=-1 c)x=1 d)x=3

What is the axis of symmetry for f(x) = 2x2 + 4x + 2 a. x=-3 b)x=-1 c)x=1 d)x=3
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3 votes
What is the axis of symmetry for f(x) = 2x2 + 4x + 2
a. x=-3 b)x=-1 c)x=1 d)x=3

asked
User Anatoly Rr
by
7.9k points

2 Answers

3 votes

x= (-b)/(2a) \\ \\ x= (-4)/(4)=-1
answered
User ZuluDeltaNiner
by
7.8k points
4 votes

f(x) = 2x^2 + 4x + 2 = 2(x+1)^(2) =0 \\ x=-1
answered
User Hengrui Jiang
by
8.0k points
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