Q. 35.0( 1 Vote )

Which of the following is not a quadratic equation?
A. 3x – x2 = x2 + 5

B. (x + 2)2 = 2(x2 – 5)

C. (√2x + 3)2 = 2x2 + 6

D. (x – 1)2 = 3x2 + x – 2

Answer :

A.




This is a quadratic equation of the form hence i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).


B.


using




This is a quadratic equation of the form i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).


C. using




This is not quadratic since it is not of the form i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).


D.


using




This is a quadratic equation of the form i.e. of degree 2 (a ≠ 0, a, b, c are real numbers).

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Get To Know About Quadratic Formula42 mins
Quiz | Knowing the Nature of Roots44 mins
Take a Dip Into Quadratic graphs32 mins
Foundation | Practice Important Questions for Foundation54 mins
Nature of Roots of Quadratic Equations51 mins
Getting Familiar with Nature of Roots of Quadratic Equations51 mins
Quadratic Equation: Previous Year NTSE Questions32 mins
Champ Quiz | Quadratic Equation33 mins
Balance the Chemical Equations49 mins
Understand The Concept of Quadratic Equation45 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses