Question

Which among the following is the standard form of a quadratic equation?

• A. $a{x}^2+c=0;a\ne 0;a\&c$ are real
• B. $a{x}^2+bx+c=0;a\ne 0;a,b,c$ are real
• C. $a{x}^2+bx+c=0;a\le 0;a,b,c$ are real
• D. $a{x}^2+bx+c=0;a\ge 0;a,b,c$ are real

Answer 1

The correct option is B

$a{x}^2+bx+c=0;a\ne 0;a,b,c$ are real

For $a{x}^2+bx+c=0$ to be a quadratic equation, $a\ne 0$ and $a,b,c$ should be real.