CBSE Questions for Class 7 Maths Algebraic Expressions Quiz 3 - MCQExams.com

5a{3a(4a)4} is equal to
  • 3a+8
  • a8
  • a+8
  • 3a8
a2(a2) is equal to
  • 2a2
  • a2
  • 0
  • 2a2
Subtract the sum of 9b2+3c2 and 2b2+bc+2c2 from the sum of 2b22bcc2 and c2+2bcb2.
  • 13b25bc+5c2
  • 10b2bc5c2
  • 10b2+bc5c2
  • 10b25bc5c2
Simplify: (a32a2+4a5)(a38a+2a2+5)
  • 2a3+7a2+6a10
  • 2a3+7a2+12a10
  • 2a34a2+12a10
  • 2a34a2+6a10
Add the following:
abbc,bcca,caab
  • 0
  • 1
  • 2
  • -1
What should be subtracted from x24xyy2 to get 1?
  • x24xy+y2
  • x2+4xy+y2+1
  • x24xyy21
  • x2+4xy+y21
Simplify: (a43a2+6a8)(a410a+4a2+8)
  • 7a216a+16
  • 7a216a+16
  • 7a2+16a16
  • 7a2+16a16
Add the following:
 3a4b+4c,2a+3b8c,a6b+c
  • 6a7b3c
  • 6a7b+3c
  • 6a+7b3c
  • 5a7b3c
Subtract
3a2b from 5a2b
  • 2a2b
  • 2a2b
  • 8a2b
  • 0
By how much is x4 + 4x2y2 + y4 more than x4 - 8x2y2 + y4
  • -12x2y2
  • 12x2y2
  • 2x4 + 2y4
  • None of these
What must be added to (x3+3x8) to get (3x3+x2+6)?
  • 2x3+x23x+14
  • 2x2+x2+14
  • 2x3+x26x14
  • None of these
If we add two monomials, what will be the result?
  • Monomial
  • Binomial
  • Polynomial
  • Either A or B
Add the following:
5x8y+2z,3z4y2x,6yzx
  • 2x6y4z
  • 2x6y+4z
  • 2x+6y+4z
  • 2x6y+4z
How many terms are there in the algebraic expression 7x3+2xy+z7y?
  • 3
  • 4
  • 5
  • 6
Simplify the expression (2b3c2+b2c4bc)(b3c2b2c4bc).
  • 0
  • b3c2
  • b3c2+2b2c
  • b3c2+2b2c8bc
If two unlike terms are added , the result will be a
  • monomial
  • binomial
  • trinomial
  • polynomial
Simplify (2x2+4x+8)(2x24x+7)
  • 4x2+8x+15
  • 2x2+x+1
  • 8x+1
  • 8x+15
Subtract (jk2+2j2k+5j2) from (5jk2+5j22j2k)
  • (4kj24jk2)
  • 4jk24j2k
  • 5j2k410j4k
  • 8j2k3+7j2k5j2
5x3+5x2+4x+3+4x2+5x=
  • 9x3+4x2+4x+5
  • 5x3+5x2+9x+4
  • 5x3+9x2+9x+3
  • None of the above
If we add 7x and 5y2+z , what will be the result?
  • binomial
  • trinomial
  • polynimial
  • can"t be determind
If we add 3+7x and 11x , what will be the result?
  • monomial
  • binominal
  • trinimial
  • can"t be determined
Find an equivalent simplified expression for 2(4x+7)3(2x4).
  • x+2
  • 2x+2
  • 2x+26
  • 3x+10
  • 3x+11
The expression (x2y3y2+5xy2)(x2y+3xy23y2) is equivalent to which of the following expression?
  • 4x2y2
  • 8xy26y2
  • 2x2y+2xy2
  • 2x2y+8xy26y2
Simplify the expression: t259t+5482t2+60t 
  • 26t2
  • 26t6
  • 81t4+t2+54
  • 81t2+t+54
(a+2b+3c)(4a+6b5c) is equivalent to:
  • 4a8b2c
  • 4a4b+8c
  • 3a+8b2c
  • 3a4b2c
  • 3a4b+8c
Simplify: (3pq2+4pq)(7pq9pq2)
  • 6pq2+3pq
  • 6pq23pq
  • 12pq2+3pq
  • 12pq23pq
Simplify :(8pst+3prq14)(7prq20+2pst)=
  • 610pst+10prq
  • 610pst4prq
  • 6pst10prq+6
  • 10pst4prq34
What must be subtracted from 3x2+4y25 to get 2x23y2+5?
  • x2+3y2+5
  • x24y2+5
  • x2+7y210
  • x27y210
The sum of 3 expression is 8+13a+7a^ Two of them are 2a2+3a+2 and 3a24a+1 . Find the third expression.
  • a2+a+5
  • 2a2+a+5
  • 2a3+14a+5
  • 2a2+14a+5
Simplify :
(a32a2+4a5)(a38a+2a2+5)
  • 2a3+7a2+6a10
  • 2a3+7a2+12a10
  • 2a34a2+12a10
  • 2a34a2+6a10
0:0:3


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