Which of the following is a cubic monomial?

4 x^{3} + 2 x + 6

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x + 5

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9 x^{3}

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2 x^{2} + 2 x + 7

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Solution

The correct option is C $9 x^{3}$
A polynomial expression which contains only one term is called a monomial.

A polynomial whose degree is equal to 3 is called a cubic polynomial.

$4 x^{3} + 2 x + 6$
is a cubic trinomial as its degree is 3 and it has 3 terms.

$x + 5$
is a linear binomial as its degree is 1 and it has 2 terms.

$9 x^{3}$
is a cubic monomial as its degree is 3 and it has only one term.

$2 x^{2} + 2 x + 7$
is a quadratic trinomial as its degree is 2 and it has 3 terms.

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Similar questions

(i) 4 x^{3} + 2 x + 6

(i i) x + 5

(i i i) 9 x^{3}

(i v) 2 x^{2} + 2 x + 7

Question 58

Solve the following:

8x-7-3x=6x-2x-3

(4 x^{3} - 2 x^{2} + 6 x + 7) \div (3 + 2 x)

Question 58

Solve the following:

8x-7-3x=6x-2x-3

5 (2 x - 7) - 3 (2 x + 3) \leq 0, 2 x + 19 \leq 6 x + 47

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