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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
If (x+1)(7x+1) = 0 then x is equal to:
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Question # 2
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Question # 3
If b
2
-4ac < 0, then roots are:
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Unreal
Imaginary
Real
Unequal
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Question # 4
The some of cube roots of unity is:
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Zero
One
Two
Three
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Question # 5
Two square roots of unity are:
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1,-1
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Question # 6
The nature of the root of equation x
2
-5x+5=0
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Rationaland equal
Irrationaland unequal
Irrationaland equal
Rationaland unequal
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Question # 7
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1
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Question # 8
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1
-1
0
2
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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
The discriminant of x
2
-3x+3=0 is:
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-3
3
-2
2
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Question # 11
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Question # 12
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One variable
Twovariable
Threevariable
Fourvariable
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Question # 13
Sum roots of 4x
2
-3x+6=0:
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Question # 14
If b
2
-4ac = 0, then roots are:
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Rationaland equal
Irrationaland equal
Irrationaland unequal
Rational and unequal
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Question # 15
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 # 16
A quadratic equation has:
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Two roots
Three roots
Fourroots
Fiveroots
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