Class 7 Algebraic Expressions CBSE Questions & Answers

Class 7 · Algebraic Expressions

This is Mathematics Class 7 Algebraic Expressions CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The sum (or difference) of two like terms is a _______.
  • A
    unlike term
  • B
    factors
  • C
    like term
    Correct
  • D
    None of these
2
From the sum of\({\text{2}}{{\text{y}}^{\text{2}}} + {\text{ 3yz}},{\text{ }} - {\text{ }}{{\text{y}}^{\text{2}}} - {\text{ yz }}-{\text{ }}{{\text{z}}^{\text{2}}}\) and \({\text{yz }} + {\text{ 2}}{{\text{z}}^{\text{2}}}\), subtract the sum of \({\text{3}}{{\text{y}}^{\text{2}}}-{\text{ }}{{\text{z}}^{\text{2}}}\) and \(-{\text{ }}{{\text{y}}^{\text{2}}} + {\text{ yz }} + {\text{ }}{{\text{z}}^{\text{2}}}\).
  • A
    \( - {{\text{y}}^{\text{2}}} + {\text{ 2yz }} + {\text{ 3}}{{\text{z}}^{\text{2}}}\)
  • B
    \( - {{\text{y}}^{\text{2}}} + {\text{ 3yz }} + {\text{ }}{{\text{z}}^{\text{2}}}\)
  • C
    None of these
  • D
    \( - {{\text{y}}^{\text{2}}} + {\text{ 2yz }} + {\text{ }}{{\text{z}}^{\text{2}}}\)
    Correct
3
State whether a given pair of terms is of like or unlike terms. \({\text{4}}{m^{\text{2}}}p,{\text{ 4}}m{p^{\text{2}}}\)
  • A
    like
  • B
    None of these
  • C
    factor
  • D
    unlike
    Correct
4
State whether a given pair of terms is of like or unlike terms. 12xz, \({\text{12}}{x^{\text{2}}}{z^{\text{2}}}\).
  • A
    None of these
  • B
    like
  • C
    factor
  • D
    unlike
    Correct
5
From the sum of \({\text{2}}{y^{\text{2}}} + {\text{ 3}}yz,{\text{ }}-{y^{\text{2}}}-yz-{z^{\text{2}}}\) and yz +\({\text{2}}{z^{\text{2}}}\), subtract the sum of \({\text{3}}{y^{\text{2}}}-{z^{\text{2}}}\) and\(-{y^2} + yz + {z^{\text{2}}}\).
  • A
    None of these
  • B
    \(-{y^{\text{2}}} + {\text{ 2}}yz + {\text{ 3}}{z^{\text{2}}}\)
  • C
    \(-{y^{\text{2}}} + {\text{ 3}}yz + {z^{\text{2}}}\)
  • D
    \(-{y^{\text{2}}} + {\text{ 2}}yz + {z^{\text{2}}}\)
    Correct
6
What should be subtracted from 2a + 8b + 10 to get – 3a + 7b + 16?
  • A
    5a + b – 7
  • B
    None of these
  • C
    5a + b – 6
    Correct
  • D
    6a + b – 6
7
Collect like terms and simplify the expression: 12 \({m^{\text{2}}}\) – 9m + 5m – 4 \({m^{\text{2}}}\) – 7m + 10
  • A
    8 \({m^{\text{2}}}\) – 11m + 10
    Correct
  • B
    7 \({m^{\text{2}}}\) – 11m + 10
  • C
    8 \({m^{\text{2}}}\) – 11m + 13
  • D
    8 \({m^{\text{2}}}\) – 13m + 10
8
Which of the following is an expression?
  • A
    4x + 7
    Correct
  • B
    10
  • C
    3
  • D
    \(\frac{1}{2}\)
9
Which of the following is a binomial?
  • A
    4x + y +2
  • B
    2x + 7
    Correct
  • C
    3x
  • D
    7 – 3x + 4
10
Which of the following is like term as 7xy?
  • A
    9
  • B
    9y
  • C
    9x
  • D
    9xy
    Correct
11
Add: 7xy + 5yz – 3zx, 4yz + 9zx – 4y , –3xz + 5x – 2xy.
  • A
    5xy + 9yz +3zx + 4y
  • B
    5xy + 3zx + 5x – 4y
  • C
    5xy + 9yz +2zx + 5x – 4y
  • D
    5xy + 9yz +3zx + 5x – 4y
    Correct
12
Terms are added to form ___________.
  • A
    terms
  • B
    identities
  • C
    expressions
    Correct
  • D
    None of these
13
Which of the following is an expression?
  • A
    3
  • B
    \(\frac{1}{2}\)
  • C
    2
  • D
    3x – 2
    Correct
14
Which of the following is a monomial?
  • A
    3x
    Correct
  • B
    4x + y +2
  • C
    2x + 7
  • D
    7 – 3x + 4
15
Which of the following is like term as 4 \({{\text{a}}^{\text{2}}}\)b?
  • A
    9 \({{\text{a}}^{\text{2}}}\)b
    Correct
  • B
    9
  • C
    9 \({{\text{a}}^{\text{2}}}\)
  • D
    9b