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How many non-zero terms are there in (2x^3-4x^2+6x-8)?

Answer and explanation

Correct answer: 4

The terms of the polynomial are separated by plus or minus signs: \(2x^3\), \(-4x^2\), \(6x\), and \(-8\). Their coefficients are \(2,-4,6,-8\), all of which are non-zero. Hence, there are \(4\) non-zero terms. The number \(6\) is the coefficient of \(6x\), not the number of terms. Exam tip: Count every positive or negative expression separated by signs as one term.

Related tags

PolynomialsPolynomial TermsNon-Zero CoefficientsAlgebraClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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