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Math 11 Chapter 2
Number System
Test - 8
1.
A non terminating, non- recurring decimal fraction is ______________
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2.
Simplify i9?
a) i
b) -1
c) 1
d) i2
3.
The modulus of a complex number is:
a) The multiplicative inverse of the complex number.
b) distance from the origin to the distance from the origin to the point representing the number.
c) Conjugate of complex number.
d) The additive inverse of the complex number.
4.
(-1)
11/2
is equal to:
a) -i
b) 1
c) i
d) -1
5.
The set {0} possesses -closure property with respect to?
a) Both (A) and (B)
b) Multiplication
c) Neither (A) nor (B)
d) Addition
6.
The identity element with respect to multiplication is?
a) 0
b) 0 and 1
c) 1
d) -1
7.
The property used in the, equation (x - y) z= xz - yz, is?
a) Associative law
b) Commutative law
c) Distributive law
d) Identity law
8.
Every recurring decimal represents an irrational number.
a) True
b) False
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