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What is the coefficient of (x^3) in (2x^5-7x^2+4)?

Answer and explanation

Correct answer: 0

The polynomial 2x^5-7x^2+4 contains an x^5 term, an x^2 term, and the constant term 4, but no x^3 term. When a term of a particular power is absent, its coefficient is 0. Therefore, the coefficient of x^3 is 0. Here, -7 is the coefficient of x^2, not x^3. Exam tip: Check the power of the variable carefully before choosing a coefficient.

Related tags

PolynomialsCoefficientMissing TermZero CoefficientClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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