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Math 11 Chapter 2
Number System
Test - 12
1.
Simplify i-10?
a) 1
b) -i
c) -1
d) i
2.
There is no sense in saying that one complex number is ______________ than another.
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3.
5 + 4 i and - 5 - 4 i are conjugate numbers.
a) True
b) False
4.
Additive inverse of (a, b) is …………..
a) (a,- b)
b) None
c) (-a, -b)
d) (- a, b)
5.
`
Z
1
+Z
2
a)
`
Z
1
+
`
Z
3
b)
`
Z
1
+
`
Z
2
c)
`
Z
1
+
`
Z
4
6.
A function from A x A into A
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7.
1in polar form can be written as……………
a) Cos0 + i sin0
b) None
c) Cos π/2 + sin∏/2
d) Cos ∏ + i sin ∏
8.
Every real number is also a complex number.
a) False
b) True
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