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Online Tests
Mathematics 10th Class English Medium Unit 2 Online Test 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
In equation ax
2
+bx+c=0, a and b are:
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Constants
Co-efficients
Variables
Factors
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Question # 3
Choose an answer
-2
2
4
-4
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Question # 4
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1
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Question # 5
A quadratic equation has:
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Two roots
Three roots
Fourroots
Fiveroots
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Question # 6
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Question # 7
Sum of the roots of the equation 3x
2
-5x+7=0:
Choose an answer
5+3
5
3
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Question # 8
The product of three cube roots of unity is:
Choose an answer
Zero
Four
Two
One
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Question # 9
Roots of following equation are: 9x
2
-4x+1=0:
Choose an answer
Real, Equal
Real, Unequal
Imaginary
Irrational
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Question # 10
Sum of the roots =
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Question # 11
If a = 2, b = -7, c = 1, then the value of b
2
-4ac is:
Choose an answer
37
39
41
42
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Question # 12
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Question # 13
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 # 14
The discriminant of x
2
-3x+3=0 is:
Choose an answer
-3
3
-2
2
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Question # 15
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Question # 16
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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