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Which option has degree (5) and a negative leading coefficient?

Answer and explanation

Correct answer: \(-7x^5+x^2-4\)

The degree of a polynomial is the highest power of its variable, and the coefficient of that term is the leading coefficient. In \(-7x^5+x^2-4\), the highest power is 5 and the coefficient of \(x^5\) is \(-7\), which is negative. Hence, option B is correct. Option C has a negative leading coefficient, but its degree is only 4. Exam tip: identify the highest-power term first, then check its coefficient.

Related tags

PolynomialsDegree Of PolynomialLeading CoefficientAlgebraClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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