1 |
|
linear equation
Quadraticequation
cubicequation
radicalequation
|
2 |
If the sum of the roots of ax2 - (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is: |
1
2
3
4
|
3 |
If the roots of x2 - bx + c = 0 are two consecutive integers, then: b2 - 4ac = |
0
1
-1
2
|
4 |
For what value of k, the sum of the roots of the equation x2 + kx + 4 = 0 is equal to the product of its roots: |
±1
4
±4
-4
|
5 |
If the sum of the roots of the equation kx2 - 2x + 2k = 0 is equal to their product, then the value of k is: |
1
2
3
4
|
6 |
The ration of the sum and product of roots of 7x2 - 12x + 18 = 0 is: |
7:12
2:3
3:2
7:18
|
7 |
Synthetic division is a process of: |
division
subtraction
addition
multiplication
|
8 |
If a polynomial P(x) = x2 + 4x2 - 2x + 5 is divided by x - 1, then the reminder is: |
8
-2
4
5
|
9 |
Sum of all four fourth roots of unity is: |
1
0
-1
3
|
10 |
Sum of all three cube roots of unity is: |
1
-1
0
3
|
11 |
How many complex cube roots of unity are there: |
2
0
1
3
|
12 |
Complex roots of real quadratic equation always occur in: |
conjugate pair
ordered pair
reciprocal pair
none of these
|
13 |
The roots of the equation: |
complex
irrational
rational
none of these
|
14 |
If α, ß are the roots of x2 + kx + 12=0 such that α-ß = 1 then K = : |
0
±5
±7
±15
|
15 |
If α, ß are complex cube roots of unity, then 1 + αn + ßn = .......... where n is a positive integer divisible by 3: |
1
3
2
4
|
16 |
32x - 3x - 6 = 0 is: |
reciprocal equation
exponentialequation
radicalequation
none of these
|
17 |
|
quadratic equation
reciprocal equation
exponential equation
none of these
|
18 |
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............: |
3
2
1
4
|
19 |
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: |
m . n, plus a quotient
m - n, plus a remainder
m ÷ n, plus a factor
m + n, plus a remainder
|
20 |
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: |
m . n
m - n
m + n
m × n
|