Question

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

Answer 1

B. x= -1

Explanation:

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

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