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Mathematics FA Part 1 Chapter 4 Online Test MCQs With Answers
Question # 1
Choose an answer
linear equation
Quadraticequation
cubicequation
radicalequation
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Question # 2
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 # 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
Synthetic division is a process of:
Choose an answer
division
subtraction
addition
multiplication
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Question # 5
If 4
x
= 2, then x equals:
Choose an answer
2
1
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Question # 6
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 # 7
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 # 8
If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree:
Choose an answer
m . n
m - n
m + n
m × n
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Question # 9
Solution set of the simultaneous equations : x + y = 1, x - y = 1 is:
Choose an answer
{(0,0)}
{(1,0)}
{(0,1)}
{(1,1)}
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Question # 10
The ration of the sum and product of roots of 7x
2
- 12x + 18 = 0 is:
Choose an answer
7:12
2:3
3:2
7:18
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Question # 11
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 # 12
Sum of all three cube roots of unity is:
Choose an answer
1
-1
0
3
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Question # 13
If the sum of the roots of ax
2
- (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is:
Choose an answer
1
2
3
4
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Question # 14
If a polynomial P(x) = x2 + 4x2 - 2x + 5 is divided by x - 1, then the reminder is:
Choose an answer
8
-2
4
5
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Question # 15
The other name of quadratic equation is:
Choose an answer
linear equation
1st degree equation
2nd degree equation
none
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Question # 16
If the roots of x
2
- bx + c = 0 are two consecutive integers, then: b
2
- 4ac =
Choose an answer
0
1
-1
2
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Question # 17
For what value of k, the roots of the equation x
2
+ √k x + 2 = 0 are equal:
Choose an answer
1
8
2
4
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Question # 18
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 # 19
Which one is exponential equation:
Choose an answer
ax
2
+ bx + c = 0
ax + b = 0
2
x
= 16
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Question # 20
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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