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Online Tests
Mathematics FA Part 1 Chapter 4 Online Test MCQs With Answers
Question # 1
In ax
2
+ bx + c = 0, if b
2
- 4ac > 0 and perfect square the roots are:
Choose an answer
rational
irrational
equal
complex
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Question # 2
If the Discriminant of a quadratic equation is a perfect square, then roots are:
Choose an answer
real and equal
complex
rational
irrational
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Question # 3
Four fourth roots of 625 are:
Choose an answer
±5,±5i
±5,±25i
±25,±25i
none of these
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Question # 4
Choose an answer
linear equation
Quadraticequation
cubicequation
radicalequation
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Question # 5
If α, ß are the roots of x
2
+ kx + 12=0 such that α-ß = 1 then K = :
Choose an answer
0
±5
±7
±15
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Question # 6
If α, ß are complex cube roots of unity, then 1 + α
n
+ ß
n
= .......... where n is a positive integer divisible by 3:
Choose an answer
1
3
2
4
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Question # 7
Sum of roots of ax
2
+ bx + c = 0 is equal to product of roots only if:
Choose an answer
a+c=0
b+c=0
a+b=0
a+b+c=0
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Question # 8
Which one is exponential equation:
Choose an answer
ax
2
+ bx + c = 0
ax + b = 0
2
x
= 16
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Question # 9
Choose an answer
i
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Question # 10
Choose an answer
4
16
8
64
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Question # 11
No. of ways of solving a quadratic equation:
Choose an answer
1
3
2
4
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Question # 12
The other name of quadratic equation is:
Choose an answer
linear equation
1st degree equation
2nd degree equation
none
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Question # 13
How many complex cube roots of unity are there:
Choose an answer
2
0
1
3
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Question # 14
Choose an answer
c = 0
b = 0, c = 0
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Question # 15
For what value of k, the sum of the roots of the equation x
2
+ kx + 4 = 0 is equal to the product of its roots:
Choose an answer
±1
4
±4
-4
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Question # 16
Choose an answer
none of these
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Question # 17
If the sum of the roots of the equation kx
2
- 2x + 2k = 0 is equal to their product, then the value of k is:
Choose an answer
1
2
3
4
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Question # 18
A numbers exceeds its square root by 6, the number is:
Choose an answer
6
3
9
none of these
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Question # 19
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:
Choose an answer
3
2
1
4
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Question # 20
Solution set of the equation x
2
- 3x + 2 = 0 is
Choose an answer
{-1, 2}
{1, -2}
{-1, -2}
{1, 2}
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Question # 21
If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:
Choose an answer
m . n, plus a quotient
m - n, plus a remainder
m ÷ n, plus a factor
m + n, plus a remainder
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Question # 22
Sum of all four fourth roots of unity is:
Choose an answer
1
0
-1
3
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