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10th Class Mathematics Chapter 2 Theory of Quadratic Equations English Medium KPK Boards Online MCQ's MCQs With Answers
Question # 1
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-2
2
4
-4
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Question # 2
The expression "b
2
-4ac" of a quadratic equation is called:
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Determinant
Redicand
Discriminant
Index
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Question # 3
Roots of following equation are: 9x
2
-4x+1=0:
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Real, Equal
Real, Unequal
Imaginary
Irrational
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Question # 4
If b
2
-4ac > 0 and is not a perfect square, then roots are:
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Rationaland unequal
Irrationaland equal
Rationaland equal
Irrationaland unequal
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Question # 5
Sum of the roots =
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Question # 6
Product of the roots of the equation 3x
2
-5x+7=0:
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3
7
7
3
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Question # 7
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Question # 8
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Question # 9
Sum of the roots of the equation 3x
2
-5x+7=0:
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5+3
5
3
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Question # 10
Two square roots of unity are:
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1,-1
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Question # 11
7-7h = 0, then h = :
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7
1
0
49
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Question # 12
Product of cube roots of unity is:
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0
1
-1
3
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Question # 13
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Question # 14
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1
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Question # 15
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Question # 16
The value of
i
is equal to:
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