This document appears to be an exam for a mathematics class covering several topics:
1) Identifying the correct question and answer from a multiple choice list and justifying the selection.
2) Performing calculations such as simplifying fractions, writing numbers in scientific notation, and evaluating expressions.
3) Solving geometry problems involving properties of circles, triangles, quadrilaterals, and finding lengths, midpoints, and areas.
4) Simplifying and solving polynomial equations.
5) Proving geometric properties about lines and figures.
The exam consists of 6 sections involving various math problems and calculations to show work for full credit. Correct solutions require identifying and applying relevant math concepts and formulas.
Find the midpoint of two given points.
Find the coordinates of an endpoint given one endpoint and a midpoint.
Find the coordinates of a point a fractional distance from one end of a segment.
B.Sc (Pass) Nautical & Engineering Model Question 2 Mathematics Second Paper
(Differential Calculus, Integral Calculus, Two-dimensional & Three- dimensional Geometry)
Find the midpoint of two given points.
Find the coordinates of an endpoint given one endpoint and a midpoint.
Find the coordinates of a point a fractional distance from one end of a segment.
B.Sc (Pass) Nautical & Engineering Model Question 2 Mathematics Second Paper
(Differential Calculus, Integral Calculus, Two-dimensional & Three- dimensional Geometry)
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The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
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The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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Model Attribute Check Company Auto PropertyCeline George
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1. Page 1 of 2
CCS Mathematics Dec. 2014
Class ofG9 Exam of 𝟏 𝒕𝒉 semester Duration : 120 min
Name:…………………………………..
:مالحظة(د يناسبه الذي بالترتيب اإلجابة المرشح يستطيع البيانات لرسم أو المعلومات الختزان أو للبرمجة قابلة غير حاسبة آلة باستعمال يسمحااللتزام ون
.)المسابقة في الوارد المسائل بترتيب
I. (2 points)
In the following table, only one of the proposed question is correct. Write the number of each question
and its corresponding answer. Justify your choice.
No Questions Answers
a b c
1 216 + 213
212 − 210
227 24 27
2
(4 −
5
2
)
2
(4 +
5
2
)
2
(1 −
5
2
)
2
(
5
2
− 4)
2
3 If 𝑚2 + 𝑛2 = 20 and 𝑚𝑛 = 8, then( 𝑚 − 𝑛)2 = −6 4 2
4
If 𝐴 = √(√2 − 2)
2
− √(2 − √3)
2
− √(√2− √3)
2 −2√3 − 4 0 2√2 − 4
II. (3 points)
Given the following numbers:
𝐴 =
7
18
×
2
7
− (
5
3
− 1)
2
; 𝐵 =
0.3×10‾³×0.006×10⁶
0.9×(10²)4
𝐶 = 2√5 + 2√125 − √45 ; 𝐷 = √(3 − 2√2)
32
× √(3+ 2√2)
32
All the steps of calculation must be shown:
1) Write A in the form of irreducible fraction.
2) Write the scientific notation of B.
3) Write C in the form of 𝑎√5; a is a natural number.
4) Prove that D is a natural number.
III.(3 points)
1) In the following figure, ABCD is a quadrilateral such that :
AD= 5 𝑐𝑚, 𝐷𝐶 = 2√5, AB= 3 cm, BC= 6 cm, and AC=3√5
Verify that A,B, C and D belong to the same circle which its
center and diameter will be determined.
2) ABC is a right triangle at A such that AB=3 + √5. Calculate
AC if the area of this triangle is equal to 2 cm2 and give the
approximation of that area to nearest 0.001.
2. Page 2 of 2
IV. (2.5 points)
Given that 2
P(x) 4x 9 (x 2)(2x 3) and Q(x) (2x 3)(x 1).
1) Prove that P(x) (2x 3)(3x 5).
2) Solve the equation .0)x(Q
3) Let
P(x)
F(x) .
Q(x)
a- For what values of x, is F(x) defined ?
b- Simplify F(x), then solve the equation 2)x(F , and write the solution in the form
c
2ba
where a, b and c are integers.
V. (3 points)
Consider a semi-circle (C) of center O, radius R and diameter [AB]. Let M be a point on (C)
distinct from A and B. The tangent at M to (C) cuts the tangent at A in point N and the tangent
at B in point P. (OP) cuts [MB] in D and (ON) cuts [AM] in E.
1) Draw a figure.
2) Prove that D is the midpoint of [MB] and that E is the midpoint of [MA].
3) Calculate ED in terms of R.
4) Prove that ODME is a rectangle.
5) Let J be the midpoint of [DE]. Prove that, when M moves on (C), J moves on a semi-circle
whose center and radius are to be determined.
VI. (6 ½ points)
Consider, in an orthonormal system of axes Oxx and Oyy where the unit of length is the
centimeter, the points A(0 ; – 4) , E(0 ; 1) , F(4 ; – 1) and the straight line (d) of equation
.1x
2
1
y
1) Plot the points A, E and F.
2) Verify by calculation, that E and F are two points of (d), then draw (d).
3) Prove that I(2 ; 0) is the midpoint of [EF].
4) We know that .52EF
a- Calculate AE and AF. Deduce that triangle AEF is isosceles of principal vertex A.
b- Is the straight line (AI) perpendicular to (EF)? Justify.
5) Let B be the symmetric of A with respect to I.
a- Prove that AFBE is a rhombus.
b- Calculate the coordinates of B.
6) Let (d') be the straight line passing through B and parallel to (d). Determine the equation of
(d').
7) (AE) and (AF) intersect (d') in M and N respectively. Prove that EMNF is an isosceles
trapezoid and calculate its area.
BON TRAVAIL.