Value of each of following polynomials at indicated value of variables : p(x)=5 x^{2}-3 x+7 at x=1 .

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2. Polynomials

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Find the value of each of the following polynomials at the indicated value of variables : $p(x)=5 x^{2}-3 x+7$ at $x=1$.

Option A

Option B

Option C

Option D

Solution

$p(x)=5 x^{2}-3 x+7$

The value of the polynomial $p(x)$ at $x=1$ is given by

$p(1)=5(1)^{2}-3(1)+7$

$=5-3+7=9$

Standard 9

Mathematics

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