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Types of Polynomials

Identify cons...

Question

Identify constant, linear, quadratic and cubic polynomials from the following polynomials:

(vi) $r (x) = 3 x^{3} + 4 x^{2} + 5 x - 7$

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Solution

Given : $r (x) = 3 x^{3} + 4 x^{2} + 5 x - 7$

In the given polynomial $r (x) = 3 x^{3} + 4 x^{2} + 5 x - 7$ , highest power of the variable $x$ is $3$ so the degree of the polynomial is $3$ .

We know that a polynomial of degree $3$ is konwn as cubic polynomial.

Hence, polynomial $r (x) = 3 x^{3} + 4 x^{2} + 5 x - 7$ is a cubic.

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Types of Polynomials

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