Classify the following polynomials as linear, quadratic and cubic polynomials.
$3 x + 5$

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Solution

Linear polynomial:
A polynomial of degree one is called a linear polynomial. Its general form is $p (x) = a x + b$ . For example, $p (x) = 7 x + 5$ .
Here, the degree of the given polynomial is one.
Hence, the given polynomial is linear.

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