Question

What is the axis of symmetry for the graph `y = x^2+ 4x + 3`?

Answer 1

`x=-2`

Explanation:

From standard form of `y=ax^2+bx+c`

The axis of symmetry is `(-1/2)xxb/a`

In your case `a=1` so we are left with

`(-1/2)xx4=-2`