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Algebraic Expressions
Class 8
Exercise/MCQ Set 2
1. If (4x
2
-12x +14)(3x
3
+ 5x
2
-6x) = 12x
5
-16x
4
- 42x
3
+ px
2
-84x, then p is
142
-142
148
36
2. Simplify (a-b)(a+b) + (b-c)(b+c) + (c-a)(c+a) is equal to
0
ab
a+b+c
ab + bc + ac
3. Simplify x
2
(x-3y
2
) - xy(y
2
-2xy) - x(y
3
- 5x
2
) where x = 1 and y = 2
14
9
-14
15
4. The product of Monomial by Trinomial is
Monomial
Polynomial
Trinomial
Binomial
5. Terms which donot have same variable or exponents or both are called
like terms
unlike terms
6. Take -ab + bc - ca from bc - ca + ab
0
2ab
ab + bc + ca
2bc
7. find the coefficient of the a
3
b
3
(2/3)a
3
b
3
+ 5a
2
b
2
+ 3a
2
b
+ ab
5
4
6
2/3
8. Simplify ab (cx -y) + bc (ax + y) - 2ca (bx - y)
2ab + cy
ca + 2by + acy
-aby + bcy + 2acy
aby - bcy - 2acy
9. If Simplify (a+b) (a
2
- ab + b
2
) we get a
3
+ b
3
True
False
10. The value of x
3
+ x
2
- 2x + 3 when x =2 is
11
9
8
6
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Exercise/MCQ Set 1
Exercise/MCQ Set 3
Exercise/MCQ Set 4
Browse more MCQs below on Maths
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time: 0.2727530003