Identify which of the following equations is a Quadratic Equation.

5 x + 8 = 0

- 2 x^{2} + x = 21

a x + b y + c = 0

None of these.

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Text solutionVerified

Only option b is an equation where there is only one variable x and whose degree is 2. Thus it is a quadratic equation.Hence option b is the correct answer.

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Question Text	Identify which of the following equations is a Quadratic Equation.
Answer Type	Text solution:1
Upvotes	150

Identify which of the following equations is a Quadratic Equation.

Text solutionVerified

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