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For which of the following polynomials is \(x=2\) a zero?

Answer and explanation

Correct answer: \(p(x)=x-2\)

A zero of a polynomial is a value that makes the polynomial equal to zero. For option A, \(p(2)=2-2=0\), so \(x=2\) is its zero. In contrast, option B gives \(p(2)=2+2=4\), so it is not correct. Exam tip: Substitute the given value into each polynomial and check whether the result is zero.

Related tags

Zero Of PolynomialLinear PolynomialPolynomial EvaluationPolynomialsPolynomials In One VariableMathematicsClass 10 Mcq

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