First Rewrite the Quadratic Function in Standard Form by Completing $$f ( x ) = 2 x ^ { 2 } + 28 x + 90$$

Multiple Choice

First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.
- $$f ( x ) = 2 x ^ { 2 } + 28 x + 90$$

A) $x$ -intercepts: $- 5$ and 9 ; $y$ -intercept: 0
B) x-intercepts: 5 and $9 ; y$ -intercept: $- 90$
C) $x$ -intercepts: $- 5$ and $- 9 ; y$ -intercept: 90
D) $x$ -intercepts: 5 and $- 9 ; y$ -intercept: $- 28$