Question

Which is a quadratic function?
f(x) = 2x + x + 3
f(x) = 0x2 – 4x + 7
f(x) = 5x2 – 4x + 5
f(x) = 3x3 + 2x + 2

Answer 1

Quadratic function is the form of \[f(x) = ax^2+bx+c~~~\text{where}~~~a>0\]

Answer 2

@uri @Compassionate

Answer 3

You know, all you have to do is compare what I said with your options.

Answer 4

@iambatman May You Help Me If I Need It PLEASE

Answer 5

Did you figure it out?

Answer 6

Yes It Was C @iambatman

Answer 7

Yes :)

Answer 8

\[f(x) = ax^2+bx+c \implies f(x) = \color{red}5x^2-\color{red}4x+\color{red}7\]