Identifying Quadratic Equations


 
 
Concept Explanation
 

Identifying Quadratic Equations

Identifying Quadratic Equation:

A quadratic equation is an in which the highest degree of the terms is 2. The standard form of a quadratic equation is

large ax^2+bx+c = 0

Where a, b, c are real numbers and a is not equal to zero

Illustration: large x^2+5x+4 = 0

Solution: The given equation is of the form large ax^2+bx+c = 0, hence it is a quadratic equation

Illustration: large x^2+frac{1}{x^2} = 1

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Sample Questions
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Question : 1

Express 5x-4=x^2+1  as a quadratic equation.

Right Option : B
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Explanation
Question : 2

Express 3x-4=x+1  as a quadratic equation.

Right Option : D
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Explanation
Question : 3

Express the following as a quadratic equation :

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

Right Option : A
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Explanation
 
 
 


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