Question 2 :
Classify into monomials, binomials and trinomials: -
ab - a - b
Question 6 :
Get the algebraic expression using variables , constants , and arithmetic operations - The number z multiplied by itself .
Question 7 :
Simplify the expression and find the value if x=3 , a=-1 , b=-2 for $3x-5-x+9$.
Question 9 :
In the expression $n^2+1$ the 5th , 10th term will be?
Question 10 :
Classify into monomials, binomials and trinomials: -
$z^{2}$ - 3z + 8
Question 11 :
Identify factors in the expression given below:
$0\cdot 1p^{2} + 0\cdot 2q^{2}$
Question 14 :
Classify whether the expression is a monomial , binomial or trinomial 100.
Question 15 :
Identify the term which contain x and give its coefficient in $x+y+2$.
Question 17 :
Identify the numerical coefficients of terms (other than constants) in expression:
$3\cdot 14r^{2}$
Question 21 :
Find the value of the following expression, when x = - 1:
2x - 7
Question 22 :
Get the algebraic expression using variables , constants , and arithmetic operations - One -fourth of the product of numbers p and q .
Question 23 :
Add :
4$x^{2}$y , - 3x$y^{2}$ , - 5x$y^{2}$ , 5$x^{2}$y
Question 24 :
Get the algebraic expression using variables , constants , and arithmetic operations - One - half of the sum of numbers x and y .
Question 25 :
Simplify by combining like terms:
5$x^{2}$y - 5$x^{2}$ + 3y$x^{2}$ - 3$y^{2}$ + $x^{2}$ - $y^{2}$ + 8x$y^{2}$ - 3$y^{2}$
Question 26 :
State whether a given pair of terms is of like or unlike terms.
- 7x, $\dfrac{5}{2}x$
Question 27 :
What should be the value of a if the value of $2x^2+x-a$ equals to 5 , when x=0 ?
Question 28 :
If p = - 2, find the value of:
$ - 2p^{3} - 3p^{2} + 4p + 7$
Question 29 :
Subtract :
5$a^{2}$ - 7ab + 5$b^{2}$ from 3ab - 2$a^{2}$ - 2$b^{2}$
Question 30 :
Classify whether the expression is a monomial , binomial or trinomial $ab-a-b$.
Question 33 :
State if the given pair of expressions are like or unlike. $mn^{2}, 10mn$
Question 34 :
Identify, in the given expression, terms which are not constants. Give their numerical coefficients: $a+b+5$
Question 35 :
What should be taken away from 3$x^{2}$ - 4$y^{2}$ + 5xy + 20 to obtain - $x^{2}$ - $y^{2}$ + 6xy + 20 ?
Question 36 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c93bf59b460d7261e962.jpeg' />
State true or false: In the given figure, the tree diagram is a correct representation of the terms and their factors of the exression $x-3$.
Question 38 :
Identify the numerical coefficients of terms (other than constants) in expression:
2 ( l + b)
Question 39 :
Identify the term which contain $y^2$ and give its coefficient in $8-xy^2$.
Question 40 :
If m = 2, find the value of:
9 - 5m
Question 41 :
Classify the following expression as a monomial,a binomial or a trinomial : $-7n+10$
Question 43 :
If z = 10, find the value of $z^{3}$ - 3 (z - 10)
Question 44 :
Add :
- 7mn + 5, 12mn + 2, 9mn - 8, - 2mn - 3
Question 45 :
State whether a given pair of terms is of like or unlike terms.
14xy, 42yx
Question 46 :
Simplify the expressions and find the value if x is equal to 2.
6x + 5(x - 2)
Question 47 :
Identify the numerical coefficients of terms (other than constants ) in the given expression $3.14r^2$.
Question 50 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a9d78c526e972caefd6.jpeg' />
State true or false: In the given figure, the tree diagram is a correct representation of the terms and their factors of the exression $y-y^3$.