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What is the coefficient of \(x^2\) in the polynomial \(7x^3+2x^2-x+6\)?

Answer and explanation

Correct answer: 2

The term containing \(x^2\) is \(2x^2\), so its coefficient is 2. The number 7 is the coefficient of \(x^3\), while -1 is the coefficient of \(x\); neither is the coefficient of \(x^2\). In an exam, match the required power with its term and then read its numerical factor.

Related tags

CoefficientPolynomial TermsPolynomials In One VariablePolynomialsMathematicsClass 10 Mcq

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