Which of following expressions are polynomials in one variable and which are not ? St

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2. Polynomials

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Which of the following expressions are polynomials in one variable and which are not $?$ State reason for your answer. If the given expression is a polynomial, state whether it is a polynomial in one variable or not

$5 x^{2}-7 x+3 \sqrt{x}$

Option A

Option B

Option C

Option D

Solution

Given expression $5 x^{2}-7 x+3 \sqrt{x}$ is not a polynomial because in term $3 \sqrt{x}=3 x^{\frac{1}{2}}$ the exponent of $x$ is a fractional number.

Standard 9

Mathematics

Find the quotient and the remainder when $2 x^{2}-7 x-15$ is divided by

$x-2$

medium

The value of $249^{2}-248^{2}$ is

easy

Expand

$(6 x-7)^{2}$

easy

The degree of polynomial $5 x^{2}-7 x-11$ is……….

easy

Expand

$(x+5 y)(x-5 y)$

easy

Which of the following expressions are polynomials in one variable and which are not $?$ State reason for your answer. If the given expression is a polynomial, state whether it is a polynomial in one variable or not $5 x^{2}-7 x+3 \sqrt{x}$

Solution

Similar Questions

Find the quotient and the remainder when $2 x^{2}-7 x-15$ is divided by $x-2$

The value of $249^{2}-248^{2}$ is

Expand $(6 x-7)^{2}$

The degree of polynomial $5 x^{2}-7 x-11$ is……….

Expand $(x+5 y)(x-5 y)$

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Which of the following expressions are polynomials in one variable and which are not $?$ State reason for your answer. If the given expression is a polynomial, state whether it is a polynomial in one variable or not

$5 x^{2}-7 x+3 \sqrt{x}$

Find the quotient and the remainder when $2 x^{2}-7 x-15$ is divided by

$x-2$

Expand

$(6 x-7)^{2}$

Expand

$(x+5 y)(x-5 y)$