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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
The nature of the root of equation x
2
-5x+5=0
Choose an answer
Rationaland equal
Irrationaland unequal
Irrationaland equal
Rationaland unequal
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Question # 2
The discriminant of x
2
-3x+3=0 is:
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-3
3
-2
2
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Question # 3
Product of two roots =
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Question # 4
Identify the equation whose roots are imaginary and unequal:
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2x
2
-x+1=0
x
2
+8x+16=0
3x
2
+4x+2=0
x
2
-7x+7=0
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Question # 5
Each of the complex cube root of unity is:
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The square of the other
The half of the other
The cube of the other
Equal to each other
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Question # 6
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One variable
Twovariable
Threevariable
Fourvariable
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Question # 7
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2
6
5
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Question # 8
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Question # 9
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Question # 10
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 # 11
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Question # 12
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P(Product of the roots)
S (Sum of the roots)
D (Difference of the roots)
R (Ratio of the roots)
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Question # 13
Roots of the equation 4x
2
-5x+2=0 are:
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Irrational
Imaginary
Rational
None of these
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Question # 14
If a = 2, b = -7, c = 1, then the value of b
2
-4ac is:
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37
39
41
42
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Question # 15
If a = 7, b = 8 and c = 1 then b
2
-4ac is equal to:
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33
34
35
36
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Question # 16
If a = -2, b = -1 and c = -1, then discriminant is equal to:
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17
-17
-7
7
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