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Which option correctly identifies the polynomial (x^3-5x^2+2)?

Answer and explanation

Correct answer: Cubic trinomial

In \(x^3-5x^2+2\), the highest power of \(x\) is 3, so its degree is 3 and it is a cubic polynomial. It has three non-zero terms: \(x^3\), \(-5x^2\), and \(2\); therefore, it is a trinomial. Hence, it is a cubic trinomial. “Cubic binomial” is incorrect because the expression has three terms, not two. Exam tip: find the highest exponent for the degree, then count the non-zero terms separately.

Related tags

PolynomialsPolynomial ClassificationCubic PolynomialTrinomialDegree Of PolynomialDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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