| 1 |
Conjugate of real number is: |
- A. Pure imaginary
- B. Real
- C. Complex
- D. None
|
| 2 |
In Z = a + bi, a is called ______ part of Z. |
- A. Real
- B. Imaginary
- C. Whole
- D. None
|
| 3 |
There exists a unique real number 1, is called ________ in multiplication: |
- A. Multiplicative inverse
- B. Additive inverse
- C. Multiplicative identity
- D. Additive identity
|
| 4 |
is equal to... |
- A. 5/4
- B. 4/5
- C. -5/4
- D. -4/5
|
| 5 |
Imaginary part of -i (3i+2) is: |
|
| 6 |
If Z and w are two complex number then |
|
| 7 |
Every real number is: |
- A. a Positive integer
- B. a rational number
- C. a negative integer
- D. a complex number
|
| 8 |
If Z = Z<sub>2</sub> and Z<sub>2</sub> = Z<sub>3</sub> then Z<sub>1</sub> = Z<sub>3</sub> this property is known as ______ property: |
- A. Reflexive
- B. Symmetric
- C. Transitive
- D. Commutative
|
| 9 |
A non-terminating, non-recurring decimal represents: |
- A. A natural number
- B. A rational number
- C. An Irrational number
- D. Prime number
|
| 10 |
The conjugate of 5+ 4i is: |
- A. -5 +4i
- B. -5 - 4i
- C. 5 - 4i
- D. 5 + 4i
|
