Express the quadratic function in standard form. $f ( x ) = 2 x ^ { 2 } + 8 x + 9$
A) $f ( x ) = 2 ( x + 4 ) ^ { 2 } + 9$
B) $f ( x ) = ( x + 2 ) ^ { 2 } + 2$
C) $f ( x ) = 2 ( x + 1 ) ^ { 2 } + 1$
D) $f ( x ) = 2 ( x + 1 ) ^ { 2 } + 2$
E) none of these

Question

Quizplus · Accepted Answer

The given function is already in standard form, $f(x) = ax^2 + bx + c$, and none of the provided options correctly represent the given quadratic function in a different form (such as vertex form or factored form) that matches the original equation.

Express the Quadratic Function in Standard Form f(x)=2x2+8x+9f ( x ) = 2 x ^ { 2 } + 8 x + 9f(x)=2x2+8x+9

Express the Quadratic Function in Standard Form $f ( x ) = 2 x ^ { 2 } + 8 x + 9$