Question

X2 + 5x + 9.
Find the equation of the axis of symmetry for the parabola y =

Answer 1

x = -5/2

Explanation:

From the quadratic equation

the axis of symmetry for quadratics of the form

y = ax² + bx + c is

x = -b/2a

x² + 5x + 9

x = -5/2