1 |
When a rational fraction is separated into partial fractions, the result is: |
|
2 |
A numbers exceeds its square root by 6, the number is: |
6
3
9
none of these
|
3 |
Solution set of the simultaneous equations : x + y = 1, x - y = 1 is: |
{(0,0)}
{(1,0)}
{(0,1)}
{(1,1)}
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4 |
Equations having a common solution are called: |
linear
quadratic
homogeneous
simultenaeous
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5 |
The roots of the equation 25x2 - 30x + 9 = 0 are; |
rational
irrational
equal
complex
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6 |
In ax2 + bx + c = 0, if b2 - 4ac > 0 and perfect square the roots are: |
rational
irrational
equal
complex
|
7 |
For what value of k, the roots of the equation x2 + √k x + 2 = 0 are equal: |
1
8
2
4
|
8 |
If the Discriminant of a quadratic equation is a perfect square, then roots are: |
real and equal
complex
rational
irrational
|
9 |
|
linear equation
Quadraticequation
cubicequation
radicalequation
|
10 |
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
|
11 |
If the roots of x2 - bx + c = 0 are two consecutive integers, then: b2 - 4ac = |
0
1
-1
2
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12 |
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
|
13 |
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
|
14 |
The ration of the sum and product of roots of 7x2 - 12x + 18 = 0 is: |
7:12
2:3
3:2
7:18
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15 |
Synthetic division is a process of: |
division
subtraction
addition
multiplication
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16 |
If a polynomial P(x) = x2 + 4x2 - 2x + 5 is divided by x - 1, then the reminder is: |
8
-2
4
5
|
17 |
Sum of all four fourth roots of unity is: |
1
0
-1
3
|
18 |
Sum of all three cube roots of unity is: |
1
-1
0
3
|
19 |
How many complex cube roots of unity are there: |
2
0
1
3
|
20 |
Complex roots of real quadratic equation always occur in: |
conjugate pair
ordered pair
reciprocal pair
none of these
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