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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
MCQ Questions for CBSE Class 3 with Answers
MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
Quiz
CBSE
/
Class 8
/
Maths
/
Algebraic Expressions and Identities
1.
A polynomial contains _______ number of terms:
One
Two
Three
Any
2.
The product of 4x and 0 is:
4x
4
0
None of the above
3.
In which of the following, the two expressions are like terms?
7x and 7y
7x and 9x
7x and 7x²
7x and 7xy
4.
The number of like terms in
abc, -abc, -bca, acb, bac, \(\frac{1}{2}\)cab is
6
4
3
2
5.
The number of like terms in
\(\frac{1}{4}\)a²bc, - \(\frac{2}{3}\)bca², \(\frac{2}{5}\) ba²c, - \(\frac{1}{2}\)cba² is
4
3
2
6
6.
The product of x², - x³, - x
^{4}
is
x
^{9}
x
^{5}
x
^{7}
x
^{6}
7.
If we add, 7xy + 5yz - 3zx, 4yz + 9zx - 4y and -3xz + 5x - 2xy, then the answer is:
5xy + 9yz + 3zx + 5x - 4y
5xy - 9yz + 3zx - 5x - 4y
5xy + 10yz + 3zx + 15x - 4y
5xy + 10yz + 3zx + 5x - 6y
8.
If we subtract 4a - 7ab + 3b + 12 from 12a - 9ab + 5b - 3, then the answer is:
8a + 2ab + 2b + 15
8a + 2ab + 2b - 15
8a - 2ab + 2b - 15
8a - 2ab - 2b - 15
9.
If we multiply 5x and (-4xyz), then we get:
20x²yz
-20x²yz
x²yz
-2xyz
10.
The volume of a rectangle with length, breadth and height as 5x, 3x² and 7x
^{4}
respectively is:
105x
^{7}
105x²
105x
^{4}
105x
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Algebraic Expressions and Identities
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