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Continue Practice Exam Test
Questions Part 3 of the Series
Choose the letter of the best answer
in each questions
...
5
B
...
2
D
...







A
...
7
...
5
D
...
689






A
...
18 + i
C
...
20 + i

Problem 107 (EE October 1997)
Problem 102
In the complex number 8-21, the
amplitude is:





A
...
04°
B
...
04°
C
...
96°
D
...
96°

Divide ((4 + 3i)/(2 – i))
...
((11 + 10i)/5)
B
...
((5 + 2i)/5)
D
...


(6 cis 120°)(4 cis 30°) is equal to:











A
...
24 cis 150°
C
...
24 cis 90°

Problem 104

Problem 109 (ECE April 1999)
Simplify i1997+ i1999, where I is an
imaginary number
...
20 cis 30°
B
...
3 cis 30°
D
...
i
B
...
1
D
...
1 + i
B
...
1 – i
D
...
46 + 9i
B
...
–46 – 9i
D
...






A
...
87°
B
...
87°
C
...
13°
D
...
13°



D
...
5ei53
...
5ei36
...
7ei53
...
7ei36
...


What is the algebraic form of the complex
number 13ei67
...
I + 1
B
...
–1 + i
D
...






A
...
-√70
C
...
√70






Problem 118 (ME April 1998)
Solve for x that satisfy the equation x2 +
36 = 9 – 2×2
...






A
...
21i
C
...
-21

Problem 115 (ECE April 1999)
What is the quotient when 4 + 8i is
divided by i3?




A
...
–8 + 4i
C
...
12 + 5i
B
...
12 – 5i
D
...
±6i
B
...
9i
D
...






A
...
565 + 1
...
2
...
256i
C
...
625 + 2
...
3
...
254i

Problem 120 (EE April 1994)
Add the given vectors: (-4, 7) + (5, -9)




A
...
(1, -2)
C
...
(1, 2)



D
...


In a proportion of four quantities, the first
and the fourth terms are referred to:






A
...
√21
C
...
√19

Problem 122 (ECE November 1997)
Find the length of the vector (2, 4, 4)
...
8
...
6
...
7
...
5
...
This
property of real numbers is known as:





A
...
Symmetric Property
C
...
Addition Property

Problem 124
If a = b, then b = a
...
Reflexive Property
B
...
Transitive Property
D
...
An axiom
B
...
A theorem






A
...
denominators
C
...
numerators

Problem 127 (ECE November 1997)
Convergent series is a sequence of
decreasing numbers or when the
succeeding term is ____ than the
preceding term
...
ten times more
B
...
equal
D
...






A
...
Distribution
C
...
Parameter

Problem 129 (ECE November 1997)
The quartile deviation is a measure of:





A
...
Central tendency
C
...
Dispersion

Problem 130 (ECE November 1995,
1997)

In complex algebra, we use a diagram to
represent a complex plane commonly
called:





A
...
Funicular Diagram
C
...
Venn Diagram

Problem 131
A series of numbers which are perfect
square numbers (i
...
1, 4, 9, 16, …) is
called:





A
...
Fermat’s series
C
...
Fibonacci numbers

Problem 132
A sequence of numbers where every term
is obtained by adding all the preceding
terms such as 1, 5, 14, 30… Is called:





A
...
Pyramidal number
C
...
Euler’s number

Problem 133 (ECE November 1995)
The graphical representation of the
commulative frequency distribution in a
set of statistical data is called:





A
...
Histogram
C
...
Mass diagram

Problem 134 (ECE March 1996)
A sequence of numbers where the
succeeding term is greater than the
preceding term is called:


A
...
Convergent series
C
...
Divergent series

Problem 135 (ECE March 1996)
The number 0
...
is





A
...
Surd
C
...
Transcendental

Problem 136 (ECE November 1996)
An array of m x n quantities which
represent a single number system
composed of elements in rows and
columns is know as:





A
...
Determinant
C
...
Matrix

Problem 137
If equals are added to equals, the sum is
equal
...
theorem
B
...
axiom
D
...
unequal terms
B
...
like terms
D
...






A
...
Harmonic progression
C
...
Ratio and proportion

Problem 140 (ECE November 1996)
The logarithm of a number to the base e
(2
...
Naperian logarithm
B
...
Mantissa
D
...
Ratio and proportion
B
...
Means
D
...
Zero
B
...
Negative integer
D
...
a sample space
B
...
an event
D
...
Trivial solutions
B
...
Conditional solutions
D
...
Argand’s number
B
...
Phasor
D
...
Mean
B
...
Mode
D
...
Solution set
B
...
Order
D
...
Infinity
B
...
Indeterminate
D
...
I
B
...
Zero
D
...
Arithmetic mean
B
...
Middle terms
D
...
Redundant equation
B
...
Linear equation
D
...
inequality
B
...
absolute condition
D
...
Literal equation
B
...
Irradical equation
D
...
Permutations
B
...
Combination
D
...
Function
B
...
Domain
D
...
One is merely the negative of the
other
B
...
Both of them are negative
D
...
It is factorable by any value
B
...
It has no other integer as factor
excepts itself or 1
D
...
a conditional equation
B
...
a parametric equation
D
...
a conditional equation
B
...
a parametric equation
D
...
B
...
A
...
D
...
D
...
D
...
13°
112
...
–1 + i
113
...
–√70
114
...
–21i
115
...
–8 + 4i
116
...
5ei36
...
D
...
B
...
A
...
565 + 1
...
B
...
B
...
B
...
00






A
...
zero
C
...
one

123
...
Transitive Property
124
...
Symmetric Property
125
...
An axiom

Below are the answers key for the
Multiple Choice Questions in System
of Numbers and Conversion Part 3
...
C
...
C
...
C
...
C
...
96°

129
...
Dispersion

103
...
24 cis 150°

130
...
Argand Diagram

104
...
3 cis 30°

131
...
Fermat’s series

105
...
5

132
...
Pyramidal number

106
...
18 + i

133
...
Ogive

127
...
lesser

134
...
Divergent series
135
...
Rational
136
...
Determinant
137
...
theorem
138
...
like terms
139
...
Harmonic progression
140
...
Naperian logarithm
141
...
Constant variation
142
...
Zero
143
...
Solution set
144
...
an event
145
...
Trivial solutions
146
...
Phasor
147
...
Mode
148
...
Indeterminate
149
...
Zero
150
...
Arithmetic mean
151
...
Redundant equation
152
...
inequality
153
...
Function
154
...
Irrational equation
155
...
Probability
156
...
One is merely the negative of the
other
157
...
It has no other integer as factor
excepts itself or 1
158
...
an identity
159
...
a conditional equation

160
...
zero



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