From the equation, find the axis of symmetry of the parabola. y = 2x2 + 4x - 1 a. X=3 C. X=-3 b. x=-1 X = 1

asked May 18, 2020 192k views

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From the equation, find the axis of symmetry of the parabola.

y = 2x2 + 4x - 1
a. X=3
C. X=-3
b. x=-1
X = 1

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2 votes

Answer:

B. x= -1

Explanation:

axis of symmetry is:
x=(-b)/(2a)

$x=(-4)/(2(2)) \\x=(-4)/(4)\\x=-1$

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