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If \(p(x)=x^2-9\), what is the value of \(p(3)\)?

Answer and explanation

Correct answer: 0

To find \(p(3)\), substitute 3 for \(x\): \(p(3)=3^2-9=9-9=0\). Hence, the correct answer is 0. The value 9 is only \(3^2\); the subtraction of 9 must also be performed. In exams, directly substitute the given value of the variable into the polynomial.

Related tags

PolynomialsEvaluation Of PolynomialsSubstitutionZeros Of PolynomialsPolynomials In One VariableMathematicsClass 10 Mcq

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