## Algebra 1: Common Core (15th Edition)

Given: $g(x)=x^2-4$ This is a quadratic function in the form: $y= x^2+bx+c$ where the axis of symmetry is $x=\frac{-b}{2a}=0$ The graph of $g(x)=x^2-4$ is the graph of $y=x^2$ shifted 4 units downward.