Addition and Subtraction of Terms

Q. The degree of the polynomial obtained when $x^3-2x^2+23$ is subtracted from $-18x^2-2x+x^3-14$ is ________.

1. 1
2. 5
3. 3
4. 2

Q.

Add the expression using horizontal method: $2a+3b-4cand3a+4b+2c$

Q.

Subtract $3ab$ from $-7ab$

Q.

Simplify the following : $7xy+4xy-3xy-11xy+5xy-xy$

Q.

$\text{Which of the following is obtained when}$
$-3xy\text{is subtracted from}2xy?$

1. $-xy$

2. $xy$

3. $5xy$

4. $-5xy$

Q. The degree of the polynomial obtained when $x^3-2x^2+23$ is subtracted from $-18x^2-2x+x^3-14$ is ________.

1. 5
2. 2
3. 1
4. 3

Q. Subtract the sum of $4m^2$ + 3n- l and $5m^2$-11n -6l from the sum of $4m^2$ + 3n + l and $5m^2$-11n + 6l.

1. $18m^2$ + 14l
2. -14l
3. 14l
4. $-18m^2$ - 14l

Q. State whether the statement is True or False.

1. True
2. False

Q. What do you get when you subtract $-3xy$ from $5xy$?

1. $3xy$
2. $5xy$
3. $8xy$
4. $xy$

Q. Product of the following monomials $4x,-5y^3,6xy$ is

1. $120x^2{y}^2$
2. $120x{y}^4$
3. $-120x^2{y}^4$
4. $-120x^2{y}^3$

Q. What do you get when you subtract $-3xy$ from $5xy$?

1. $3xy$
2. $5xy$
3. $8xy$
4. $xy$

Q. Add:
$x^3-x^{2}y+5x{y}^2+y^3;-x^3-9x{y}^2+y^3;3x^{2}y+9x{y}^2$

Q. You have a certain number of chocolates and you don't know the number of chocolates. If you receive the same number of chocolates from your friend and another friend gives you thrice the number of chocolates, which of the following can represent the total number of chocolates you have?

1. $5x$
2. $x^4$
3. $x+4y$ (x and y both are the different variables)
4. $x+3xy$ (x and y both are the different variables)