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

Answer and explanation

Correct answer: It is a cubic trinomial

In \(x^3-2x+5\), the highest power of the variable \(x\) is 3, so its degree is 3 and it is a cubic polynomial. It has three terms: \(x^3\), \(-2x\), and \(5\); therefore, it is also a trinomial. Hence, it is a cubic trinomial. A quadratic polynomial would have highest degree 2. Exam tip: find the degree from the highest exponent, then count the terms separately.

Related tags

PolynomialsDegree Of PolynomialTerms Of PolynomialCubic PolynomialTrinomialAlgebraDefinition Of A PolynomialIntroduction To Polynomials

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