Question

Choose the expression that represents a quadratic expression.

Answer 1

Answer:

THE CORRECT OPTION IS "$12 x^{2} + 8x^{1} -1$ "

Step-by-step explanation:

The quadratic equation is defined as equation having degree 2.

The standard form of quadratic equation is :

$ax^{2} +bx+c$.

where a, b, c are numbers and a cannot be equal to zero.

From the above statements we can say that "$12 x^{2} + 8x^{1} -1$ " is quadratic equations and rest options does not qualify the equations of quadratic equations.

Answer 2

Answer:

12 x^{2} + 8x^{1} -1

Step-by-step explanation: