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What is the degree of (7x^4-2x^2+3x^0)?

Answer and explanation

Correct answer: 4

The degree of a polynomial is the greatest exponent of the variable among its terms with non-zero coefficients. Here the exponents are 4, 2, and 0; since \(x^0=1\), \(3x^0=3\) is a constant term. Therefore, the greatest exponent is 4. Option 2 is only the exponent of \(-2x^2\), not the degree of the entire polynomial. Exam tip: Treat \(x^0\) as 1 first, then identify the highest exponent.

Related tags

PolynomialsDegree Of PolynomialZero ExponentAlgebraClass 9Definition Of A PolynomialIntroduction To PolynomialsMathematics

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