Question

EASY, HELP PLEASE
Which equation below has an axis of symmetry of x = 4/3 ?

y = −3x2 − 4x + 5

y = −3x2 + 4x + 5

y = −3x2 − 8x − 1

y = −3x2 + 8x − 1

Answer 1

The form is \(y = ax^{2} + bx + c\).
The formula for the axis of symmetry here is:
\[\huge x = -\frac{b}{2a}\]