Term and Coefficient

Q.

Terms are added to form ___.

1. Identities

2. Expressions

3. Terminologies

4. Symbols

Q.

Which of the following is the numerical coefficient of $x^2{y}^2$

1. $0$

2. $1$

3. $x^2$

4. $y^2$

Q. Coefficient of 'b' in the expression $6b^2$ is ___.

1. b
2. 6
3. 2
4. 6b

Q. How many terms are there in each of the following algebraic expressions?
$\left(i\right)6x^3+8x^2-4x$
$\left(ii\right)15x{y}^3+21x^2-16$
$\left(iii\right)19x^2+8x^2+4xy-2$

1. 3, 2 and 4
2. 3, 2 and 2
3. 3, 3 and 3
4. 3, 3 and 4

Q.

Difference between variable and constant

Q. Coefficient of $x{y}^2$ in the term $-\frac{4x{y}^2}{9}$ is

1. -$\frac{4}{9}$​
2. $\frac{1}{9}$​
3. -4
4. -1

Q.

A term must contain a variable. State true or false.

1. True

2. False

Q.

Coefficient of $x{y}^2$ in the term $-\frac{4x{y}^2}{9}$ is:

1. ​

2. -1
   

3. -​

4. -3
   

Q.

The numerical coefficient in $-4x{y}^2$ is ___________

Q.

The coefficients of $ab$ in $2a^{3}b$ and $2a^2{b}^4$ respectively are:

1. $2$ and $2$

2. $2a^2$ and $2a{b}^3$

3. $2a{b}^3$ and $2a^2$

4. $2a^{2}b$ and $2a{b}^3$

Q.

Write the numerical coefficient of $-6x^{2}y$

Q.

Write the numerical coefficient of each term in

$-4y^2+7x{y}^2+2xy+6$

Q. Coefficient of '$b^2$' in the expression $4b^2$ is ___.

1. 2
2. 4
3. 0
4. b

Q. Which of the following are like terms?
$18x^2$$y^3$, $18x{y}^3$, $18x^2$y,
$17x^2$$y^3$

1. $18x^2$$y^3$ and
   $17x^2$$y^3$
2. $18x{y}^3$, $18x^2$y
3. $18x^2$$y^3$, $18x^2$y
4. $18x^2$$y^3$, $18x{y}^3$

Q. Difference between constant and variable

Q. are like terms.

1. $-5xy{z}^2,-3x{y}^{2}z$
2. $5xy{z}^2,25x^{2}yz$
3. $15xy{z}^2,45xy{z}^2$
4. $55xy{z}^2,x^2{y}^2$

Q.

Coefficient of '$b$' in the expression $4b^2$ is ___.

1. $4$

2. $b$

3. $2$

4. $0$

Q.

Factor of 2$\pi$(h+r) is

1. h+r

2. 2h

3. h

4. All of the above

Q.

Number of terms in the expression $a^2+bc\times d$ is __.

Q. Coefficient of '$b^2$' in the expression $9b-2b^2$ is ___.

1. 9
2. 2
3. -2
4. None of the above

Q.

Coefficient of $y$ in the term $-\frac{y}{9}$ is:

1. -3
   

2. ​

3. -​

4. -1
   

Q. Coefficient of '$b^2$' in the expression $9b-2b^2$ is ___.

1. 9
2. 2
3. -2
4. None of the above

Q.

Coefficient of $x{y}^2$ in the term $\frac{-4x{y}^2}{9}$ is:

1. $\frac{-4}{9}$​

2. $-1$

3. $\frac{1}{9}$​

4. $-3$

Q.

Write the numerical as well as literal coefficient for each of the following.

$3x{y}^2$

Q. what is concentrTion gradient

Q. State whether true of false :
$xy$ and $-yx$ are like terms

1. True
2. False

Q. How many terms are there in the expression ab + xy + z?

1. 4
2. 1
3. 2
4. 3

Q.

Question 67

In the following question, state whether the statement is True (T) or False (F):

h is a factor of $2\pi (h+r)$

Q. How many terms are there in each of the following algebraic expressions?
$\left(i\right)6x^3+8x^2-4x$
$\left(ii\right)15x{y}^3+21x^2-16$
$\left(iii\right)19x^2+8x^2+4xy-2$

1. 3, 3 and 4
2. 3, 2 and 4
3. 3, 2 and 2
4. 3, 3 and 3

Q.

Terms are added to form ___________.

1. Identities

2. Expressions

3. Terminologies

4. Symbols