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Class 10MathematicsPolynomialsPolynomials in one variableEasyLevel 47
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If \(r(x)=4x^2\), what is \(r\left(\frac{1}{2}\right)\)?

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Answer and explanation

Correct answer: (1)

\(r\left(\frac{1}{2}\right)=4\left(\frac{1}{2}\right)^2=1\). Use brackets when substituting fractions.

Related tags

SubstitutionFraction-Value

Frequently asked questions

What is the correct answer to this question?

(1)

Why is this the correct answer?

\(r\left(\frac{1}{2}\right)=4\left(\frac{1}{2}\right)^2=1\). Use brackets when substituting fractions.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Polynomials in one variable.

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  5. 5If p(x) = x² − 2√2x + 2, which is the correct factorized form of p(x)?
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