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Which option has zero \(\frac{7}{3}\) for a linear polynomial?

Answer and explanation

Correct answer: \(3x-7\)

A zero of a polynomial is a value of x that makes the polynomial equal to 0. For \(3x-7=0\), we get \(3x=7\), so \(x=\frac{7}{3}\). Hence, \(3x-7\) is correct. The close distractor \(3x+7\) has zero \(-\frac{7}{3}\), not \(\frac{7}{3}\). Exam tip: the zero of a linear polynomial \(ax+b\) is \(-\frac{b}{a}\).

Related tags

PolynomialsLinear PolynomialsZeros Of PolynomialsClass 9 MathematicsAlgebraic ExpressionsIntroduction To PolynomialsMathematicsClass 9 Mcq

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