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Which option has zero \(-\frac{5}{3}\) for a linear polynomial?

Answer and explanation

Correct answer: \(3x+5\)

A zero of a polynomial is a value that makes the polynomial equal to 0. Substituting \(x=-\frac{5}{3}\) in \(3x+5\) gives \(3\left(-\frac{5}{3}\right)+5=-5+5=0\). Hence, option C is correct. Option A has zero \(\frac{5}{3}\), since its constant term has a negative sign. Exam tip: the zero of \(ax+b\) is \(-\frac{b}{a}\).

Related tags

MathematicsPolynomialsLinear PolynomialsZeros Of PolynomialsClass 9Introduction To PolynomialsClass 9 Mcq

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