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

Answer:

B. x= -1

Step-by-step explanation:

axis of symmetry is: $x=\frac{-b}{2a}$

$x=\frac{-4}{2(2)} \\x=\frac{-4}{4}\\x=-1$