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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 roots of equation ax
2
+bx+c=0, is determined by:
Choose an answer
Sum of the roots
Product of the roots
Synthetic division
Discriminant
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Question # 2
If (x+1)(7x+1) = 0 then x is equal to:
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Question # 3
Product of roots of equation 5x
2
+3x-9=0:
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Question # 4
If a = -2, b = -1 and c = -1, then discriminant is equal to:
Choose an answer
17
-17
-7
7
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Question # 5
If b
2
-4ac < 0, then roots are:
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Unreal
Imaginary
Real
Unequal
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Question # 6
Sum of the roots =
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Question # 7
A quadratic equation has:
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Two roots
Three roots
Fourroots
Fiveroots
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Question # 8
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Question # 9
If b
2
-4ac > 0, but not a perfect square then roots of ax
2
+bx+c=0 are:
Choose an answer
Imaginary
Rational
Irrational
None of these
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Question # 10
Choose an answer
-1
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Question # 11
Two square roots of unity are:
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1,-1
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Question # 12
The product of three cube roots of unity is:
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Zero
Four
Two
One
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Question # 13
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5
18
15
23
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Question # 14
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Question # 15
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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