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Online Tests
Mathematics 10th Class English Medium Unit 2 Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
The expression "b
2
-4ac" of a quadratic equation is called:
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Determinant
Redicand
Discriminant
Index
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Question # 4
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-2
2
4
-4
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Question # 5
Product of the roots of the equation 3x
2
-5x+7=0:
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3
7
7
3
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Question # 6
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 # 7
The nature of roots depends on the value of:
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-b+4ac
b
2
+4c
b
2
-4ac
-b+4ac
2
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Question # 8
If b
2
-4ac > 0, but not a perfect square then roots of ax
2
+bx+c=0 are:
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Imaginary
Rational
Irrational
None of these
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Question # 9
Sum roots of 4x
2
-3x+6=0:
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Question # 10
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1
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Question # 11
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 # 12
The discriminant of x
2
+8x+16=0:
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4
3
2
0
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Question # 13
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Question # 14
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 # 15
The product of three cube roots of unity is:
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Zero
Four
Two
One
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Question # 16
If 1 is the zero of polynomial, then remainder is:
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3
2
0
1
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Question # 17
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 # 18
if a=1, b=-3 and c= 3, then discriminant is:
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3
-2
2
-3
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Question # 19
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-1
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Question # 20
Cube roots of -1 are:
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Question # 21
The nature of the roots of equation ax
2
+bx+c=0, is determined by:
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Sum of the roots
Product of the roots
Synthetic division
Discriminant
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Question # 22
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214
256
273
296
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