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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
ax
2
+bx+c=0, c is the:
Choose an answer
Co-efficient
Variable
Factors
Constant
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Question # 2
The discriminant of 7x
2
+8x+1=0 is:
Choose an answer
32
34
36
38
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Question # 3
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1
-1
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Question # 4
The product of roots, of equation 5x
2
+(7-2m) x + 3 = 0 will be:
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Question # 5
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9
7
5
3
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Question # 6
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One variable
Twovariable
Threevariable
Fourvariable
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Question # 7
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Question # 8
The discriminant of x
2
-3x+3=0 is:
Choose an answer
-3
3
-2
2
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Question # 9
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 # 10
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 # 11
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Question # 12
If b
2
-4ac > 0 and is not a perfect square, then roots are:
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Rationaland unequal
Irrationaland equal
Rationaland equal
Irrationaland unequal
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Question # 13
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-1
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Question # 14
if a=1, b=-3 and c= 3, then discriminant is:
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3
-2
2
-3
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Question # 15
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 # 16
The discriminant of x
2
+8x+16=0:
Choose an answer
4
3
2
0
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