MCQ of Maths Class 9 Chapter 2

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MCQ of Maths Class 9


Which of them is the generalization of arithmetic?
Algebra
Geometry
Logarithm
Sets

(3+√2)(3-√2) is equal to:
7
-7
1
-1

Conjugate of surd a+√b is
– a -√b
a -√b
√a +√b
√a -√b

(a+b)2 is equal to:
a2 + 2ab + b2
a2 + 2ab – b2
a2 – 2ab – b2
a2xa0- 2ab + b2

5X2 – 3x + 2/√x is a
expression
sentence
equation
inequation

The degree of polynomial 4×4+2x2y is:
1
2
3
4

4x + 3y -2 is an algebraic:
expression
sentence
equation
inequation

1/a-b -1/a+b is equal to:
2a/a2xa0- b2
2b/a2 – b2
-2a/a2 – b2
-2b/a2 – b2

Conjugate of 9+ √2 is
9 – √2
-9 – √2
-9 +√2
9 +√-2

a³ + b³ = ………………
(a+b)(a²-ab+b²)
(a+b)(a²+ab+b²)
(a+b)(a²+ab-b²)
(a-b)(a²+ab-b²)

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