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Question

The variable in the polynomial $x^{2} + 3 x + 5$ is:
$x$
$3$
All of the above
$5$

A

5

B

All of the above

C

x

D

3

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Solution

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The value of the polynomial changes as the variable changes.
Hence, $x$ is the variable in the polynomial.

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The variable in the polynomial

x^{2} + 3 x + 5

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Q2

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Q5

Read the following statements
(a)

x^{2} - 5 x + \sqrt{2}

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(b)

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(c)

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(d)

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