CHAPTER-4 QUADRATIC EQUATIONS
QUESTION -1
Check whether the following are quadratic equations:




ANSWER:

It is of the form

Hence, the given equation is a quadratic equation.

It is of the form

Hence, the given equation is a quadratic equation.

It is of the form

Hence, the given equation is not a quadratic equation.

It is of the form

Hence, the given equation is a quadratic equation.

It is of the form

Hence, the given equation is a quadratic equation.

It is not of the form

Hence, the given equation is not a quadratic equation.

It is not of the form

Hence, the given equation is not a quadratic equation.

It is of the form

Hence, the given equation is a quadratic equation.
