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Which of the following is a quadratic equation ?

Question

Which of the following is a quadratic equation ?

A

x^{\frac{1}{2}} + 2 x + 3 = 0

B

(x^{2} - 1) (x + 4) = x^{2} + 1

C

x^{2} - 3 x + 5 = 0

D

(2 x^{2} + 1) (3 x - 4) = 6 x^{2} + 3

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Text solutionVerified

Standard form of quadratic equation is

a x^{2} + b x + c = 0

The quadratic equation is an equation having

2

highest degree of the variable, which is possible only in the equation

x^{2} - 3 x + 5 = 0

out of the four given equations.

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Question Text	Which of the following is a quadratic equation ?
Answer Type	Text solution:1
Upvotes	150