Test Details

Algebraic Expressions

Jan 21, 11:00 AM

720 minutes

Jan 21, 11:00 PM

100.0 marks

MCQ

50 questions

Dhiraj Gupta

My name is Dhiraj kumar gupta. I have completed mechanical engineering from Uttrakhand technical university. I have been teaching mathematics since 2016.

Class Details

Maths

Class 7

Maths

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Question Text

Question 3 :
Find the value of the following expression, when x = - 1: 2$x^{2}$ - x - 2

Question 4 :
Classify the following expression as a monomial,a binomial or a trinomial : $a$

Question 5 :
Simplify the expression and find their values if x = 3, a = - 1, b = - 2. 3a + 5 - 8a + 1

Question 6 :
Subtract : - $x^{2}$ + 10x - 5 from 5x - 10

Question 7 :
Simplify the expression and find its value when a=5 and b=-3 , $2\left(a^2+ab\right)+3-ab$.

Question 8 :
Simplify the expression and find the value if x=3 , a=-1 , b=-2 for $2-8x+4x+4$.

Question 9 :
Classify the following expression as a monomial,a binomial or a trinomial : $4m$

Question 11 :
From the sum of $4+3x$ and $5-4x+2x^2$ subtract the sum of $3x^2-5x$ and $-x^2+2x+5$.

Question 12 :
Classify whether the expression is a monomial , binomial or trinomial $x+y-xy$.

Question 13 :
<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 15 :
Simplify the expression and find the value if x=2 for $3\left(x+2\right)+5x-7$.

Question 16 :
Simplify the expression and find their values if x = 3, a = - 1, b = - 2. 3x - 5 - x + 9

Question 17 :
Add : ab - 4a, 4b - ab, 4a - 4b

Question 18 :
Classify whether the expression is a monomial , binomial or trinomial $4p^2q-4pq^2$.

Question 19 :
Simplify the expression and find the value if x=3 , a=-1 , b=-2 for $3a+5-8a+1$.

Question 21 :
Get the algebraic expression using variables , constants , and arithmetic operations - Products of numbers y and z subtracted from 10 .

Question 22 :
Classify the following expression as a monomial,a binomial or a trinomial : $4pq-3q +5p$

Question 23 :
Identify the numerical coefficients of terms (other than constants ) in the given expression $1.2a + 0.8b$.

Question 24 :
Simplify the expression and find their values if x = 3, a = - 1, b = - 2. 10 - 3b - 4 - 5b

Question 26 :
Identify the numerical coefficients of terms (other than constants) in expression: $3\cdot 14r^{2}$

Question 31 :
If p = - 2, find the value of: 4p + 7

Question 32 :
Identify the numerical coefficients of terms (other than constants) in expression: 0.1y + 0.01$y^{2}$

Question 33 :
State whether a given pair of terms is of like or unlike terms. 12xz, $12x^{2}z^{2}$

Question 34 :
Classify whether the expression is a monomial , binomial or trinomial $5-3t$.

Question 36 :
Identify the numerical coefficients of terms (other than constants ) in the given expression $1+t+t^2+t^3$.

Question 37 :
Get the algebraic expression using variables , constants , and arithmetic operations - Number 5 added to three times the product of numbers m and n .

Question 38 :
Identify, in the given expression, terms which are not constants. Give their numerical coefficients: $a+b+5$

Question 39 :
Identify the term which contain $y^2$ and give its coefficient in $5y^2+7x$.

Question 40 :
Identify the term which contain x and give its coefficient in $1+x+xy$.

Question 41 :
Simplify the expression and find the value if x=2 for $6x+5\left(x-2\right)$.

Question 44 :
Get the algebraic expression in the following case using variables, constants and arithmetic operations. Product of numbers y and z subtracted from 10.

Question 46 :
Simplify the expressions and find the value if x is equal to 2. 6x + 5(x - 2)

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