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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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Question # 2
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Question # 3
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2
1
0
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Question # 4
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bc
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Question # 5
The Discriminant of ax
2
+bx+c=0 is:
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b
2
-4ac
b
2+
4ac
-b
2+
4ac
-b
2
-4ac
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Question # 6
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9
7
5
3
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Question # 7
If b
2
-4ac < 0, then roots are:
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Unreal
Imaginary
Real
Unequal
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Question # 8
If (x+1)(7x+1) = 0 then x is equal to:
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Question # 9
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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Question # 10
The nature of roots in equation 7x
2
+8x+1=0 is:
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Rational and unequal
Irrational and unequal
Rationaland equal
Irrationaland equal
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Question # 11
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 # 12
Find k, if the roots are equal in (k+3)x
2
-2(k+1)x-(k+1)=0:
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2, -1
-2,-1
-2,1
2,1
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Question # 13
The discriminant of 2x
2
-7x+1= 0 is:
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41
45
43
47
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Question # 14
If 1 is the zero of polynomial, then remainder is:
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3
2
0
1
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Question # 15
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Question # 16
The discriminant of quadratic equation is:
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b
2
-4ac
-b
2
+4ac
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