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9th Class Mathematics Chapter 4 Algebraic expressions and algebraic formulas English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
(a+b)
2
+(a-b)
2
=
Choose an answer
4ab
a+b
2(a
2
+b
2
)
ab
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Question # 2
If a+b = 7 and a-b = 3 then value of ab is:
Choose an answer
10
58
29
40
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Question # 3
Choose an answer
5
1/2
7
1/7
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Question # 4
Choose an answer
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Question # 5
Choose an answer
Necesarily
Not necessarily
Must be
None of these
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Question # 6
The degree of polynomial is x
2
y
2
+3xy+y
3
:
Choose an answer
1
2
3
4
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Question # 7
4x + 3y - 2 is an algebraic:
Choose an answer
Expression
Sentence
Equation
In equation
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Question # 8
a
3
+b
3
is equal to:
Choose an answer
(a-b)(a
2
+ab+b
2
)
(a+b)(a
2
-ab+b
2
)
(a-b)(a
2
-ab+b
2
)
(a-b)(a
2
+ab-b
2
)
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Question # 9
The degree of 2x
4
y
3
+x
2
y
2
+8x is:
Choose an answer
4
3
7
8
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Question # 10
The product of the conjugate surds is ________ number:
Choose an answer
Irrational
Rational
Surd
None of these
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Question # 11
An _________ is that in which constants or variable or both are combined by basic operation:
Choose an answer
Matrix
Algebraic expression
Logarithm
Complex number
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Question # 12
Degree of polynomial means ______ power of variable:
Choose an answer
Lowest
Highest
Both a and b
None of these
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Question # 13
Choose an answer
(a-b)2
(a+b)2
a+b
a-b
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Question # 14
The degree of polynomial 4x
4
+2x
2
y is:
Choose an answer
1
2
3
4
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Question # 15
Every polynomial is _______ expression:
Choose an answer
Complex
Real
Rational
Irrational
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