## Algebra and Trigonometry 10th Edition

True. The $x$ of the vertex of $f(x)$ and $g(x)$ are the same.
If $f(x)$ and $g(x)$ have the same axis of symmetry, the $x$ of their vertex is the same. - $f(x)$: $-\frac{b}{2a}=-\frac{-10}{2(-4)}=-\frac{5}{4}$ - $g(x)$: $-\frac{b}{2a}=-\frac{30}{2(12)}=-\frac{5}{4}$