This document contains instructions for a mathematics exam consisting of 12 questions worth 100 marks total. It provides details on the exam format, instructions for candidates, and sample exam questions in both multiple choice and structured formats. The questions cover topics in algebra, geometry, trigonometry, calculus, probability, and statistics. Candidates are instructed to show all work, use the space provided below each question, and not use additional paper or calculators during the exam.
Directions Please show all of your work for each problem. If app.docxduketjoy27252
Directions: Please show all of your work for each problem. If applicable, you may find Microsoft Word’s equation editor helpful in creating mathematical expressions in Word. The option of hand writing your work and scanning it is acceptable.
1. List all the factors of 88.
2. List all the prime numbers between 25 and 60.
3. Find the GCF for 16 and 17.
4. Find the LCM for 13 and 39.
5. Write the fraction in simplest form.
6. Multiply. Be sure to simplify the product.
7. Divide. Write the result in simplest form.
8. Add.
9. Perform the indicated operation. Write the result in simplest form. –
10. Perform the indicated operation. Write the result in simplest form. ÷
11. Find the decimal equivalent of rounded to the hundredths place.
12. Write 0.12 as a fraction and simplify.
13. Perform the indicated operation. 8.50 – 1.72
14. Divide.
15. Write 255% as a decimal.
16. Write 0.037 as a percent.
17. Evaluate. 56 ÷ 7 – 28 ÷ 7
18. Evaluate. 9 42
19. Multiply: (-1/4)(8/13)
20. Translate to an algebraic expression: Twice x, plus 5, is the same as -14.
21. Identify the property that is illustrated by the following statement. 5 + 15 = 15 + 5
22. Identify the property that is illustrated by the following statement.
(6 · 13) 10 = 6 · (13 · 10)
23. Identify the property that is illustrated by the following statement.
10 (3 + 11) = 10 3 + 10 11
24. Use the distributive property to remove the parentheses in the following expression. Then simplify your result where possible. 3.1(3 + 7)
25. Add. 14 + (–6)
26. Subtract. –17 – 6
27. Evaluate. 3 – (–3) – 13 – (–5)
28. Multiply.
29. Divide.
30. Evaluate. (–6)2 – 52
31. Evaluate. (–9)(0) + 13
32. A man lost 36 pounds (lb) while dieting. If he lost 3 pounds each week, how long has he been dieting?
33. Write the following phrase using symbols: 2 times the sum of v and p
34. Write the following phrase using symbols. Use the variable x to represent the number: The quotient of a number and 4
35. Dora puts 50 cents in her piggy bank every night before she goes to bed. If M represents the money (in dollars) in her piggy bank this morning, how much money (in dollars) is in her piggy bank when she goes to bed tonight?
36. Write the following geometric expression using the given symbols.
times the Area of the base (A) times the height(h)
37. Evaluate if x = 12, y = , and z = .
38. A formula that relates Fahrenheit and Celsius temperature is . If the current temperature is 59°F, what is the Celsius temperature?
39. If the circumference of a circle whose radius is r is given by C = 2πr, in which π ≈ 3.14, find the circumference when r = 15 meters (m).
40. Combine like terms: 9v + 6w + 4v
41. A rectangle has sides of 3x – 4 and 7x + 10. Provide a simplified expression for its perimeter.
42. Subtract 4ab3 from the sum of 10ab3 and 2ab3.
43. Use the distributive property to remove the p.
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PNEB - MATHEMATICS 2013
1. Name ......................................................................
School.. .......................................………..
Roll number………………………………
Somali Republic
Puntland Examination board
Form four
Mathematics
May 2013
2 hours + 10 min for reading
Instructions to the candidate (please read carefully)
This paper consist 14 bags, count now, if there is missing pleas inform to the invigilator
This paper consist two parts
PART A: Circle the Correct answer = 10 marks
PART B: Questions = 90 marks
Total = 100 marks
• Answer ALL question
• Write your working on the space provided below the question
• No allowed extra paper
• No allowed calculators
• If you write wrong answer please delete and write right the answer clearly
1
3. PART A: multiple choice (10 marks )
Circle the correct answer , if you change your mine please cross out the wrong
answer and circle the correct answer clearly (each question 1 marks)
1. The logarithmic form of 49=72
is
a) 7492 =Log
b) 2497 =Log
c) 7249 =Log
d) 4927 =Log
2. The distance between the points A(2, -2) and B(-4, -5) is
a) 13
b) 85
c) 53
d) 35
3. The gradient of 2y + 4x – 8 = 0 is
a) 2
b) -2
c) -4
d) 4
4. 3(3x – 1) = 4(x + 3) the value of x is
3
4. a) 1
b) 0
c) 4
d) 3
5. The venn diagram below represents the number of student whose study
the following subjects Biology, Islamic studies and Arabic language
The number of students study both Arabic and Islamic studies is
a) 5
b) 8
c) 9
d) 14
6. 2
7
C is equal to
4
5. a) 20
b) 21
c) 22
d) 24
7. The magnitude of vector a =
−
6
3
is
a) 53
b) 35
c) 35
d) 23
8. The diagram below, the length of the arc is
a) 11cm
b) 8 cm
c) 25cm
d) 15 cm
5
6. 9. dx
x∫ 2
3
is equal to
a) 3
6 −
− x
b) 4
6 −
− x
c) 3
6 −
x
d) 4
6x
10. Which of the following can contain more than one time in a set of data
a) Mode
b) Median
c) Mean
d) Range
PART 2: Structured question. Answer ALL questions ( 90 marks)
You must show ALL your working in the space provided
Question 1
6
7. Given the matrices A =
14
23
and B =
−
32
11
and that C = A×B
a) Find the matrix C (4 marks)
b) Find the determinant of C (2marks)
Question 2
a) Solve the equation
3
2
1
2 +
=
+
x
x
(3 marks)
b) Evaluate ( ) 2/13/22/3
1684 ÷× (3marks)
c) Rearrange this formula to be I the subject of the formula RtIQ 2
= . (3marks)
d) If Q = 1000, t = 20 and R =2. Find the value of I (2marks)
7
8. e) Simplify 5
62525
Log
LogLog +
(3marks)
Question 3
a) If 42
+−= xy complete the table below
(2marks)
b) Draw the graph of 42
+−= xy in plane below (2marks)
c) Shade the region of 42
+−≤ xy , x ≥ 0 and y ≥ 0 (2marks)
Question 4
a) The diagram shows a circle, centre O. PT and RT are tangents to the circle.
Angle POR=144°. Work out the size of angle PTR, marked x.
(2marks)
8
X -2 -1 0 1 2
Y 4
9. b) Calculate the shaded are in the shape below (3marks)
Question 5
a) For the set of data 3, 4, 5, 6, 7, 9, 10, 12
Calculate
i) Arithmetic mean (2marks)
ii) Stander deviation (3marks)
Question 6
A bag contains 7 Red and 5 black discs. Two discs are drown from the bag at
random, with replacement
a) Complete the tree diagram below (3marks)
9
10. b) What is the probability that the two discs will be
i) Red (2marks)
ii) Same colour (3marks)
Question 7
a) Prove the identity
xxCosCotxCosxCot 2222
≡− (3marks)
b) Find the area of the triangle ABC (3marks)
(Sine 30⁰ = ½ )
10
11. Question 8
a) A curve passes through the point ( 3, -2) and its gradient function is 2x – 5.
Find its equation (3marks)
b) Calculate the area enclosed the curve xxy 23 2
+=
line x = 1 , x = 3 and X-axis (3marks)
Question 9
a) Find coordinates of the points where the line y = x meets
the parabola xxy 23 2
−= (4marks)
11
12. b) The arrow diagram below shows two relations
i) State the type of each relation
R1:- ………………………………………………………………… (1mark)
R2 ………………………………………………………………… (1mark)
ii) Which is a function R1 or R2……………………………….. (1mark)
Question 10
2400 people took an examination paper. The maximum mark for this paper was 80. The cumulative
Frequency graph below gives information about the marks. The pass mark was 40 marks.
12
13. a) Use the graph to
estimate
i) Lower quartile ………………… (2marks)
ii) Median ………………… (2marks)
iii) Upper quartile ………………….. (2marks)
Question 11
a) Calculate the size of an interior angle of a regular Hexagon (2marks)
b) Convert 240º to radian (2marks)
c) The two cuboids A and B shown below are similar . calculate the volume of cube B
(3marks)
13
14. d) The parallel sides of a trapezium are 13cm and 11 cm. If the area of the trapezium is 84cm2
.
Calculate the height of the trapezium (2marks)
Question 12
a) Evaluate ∫−
−−
2
1
23
)234( dxxx = (3marks)
b) If
2
2
)(
−
=
x
xf . Find )3(1−
f (3marks)
c) Multiply the following complex numbers (3marks)
(12 – 4i ) (3 + 5i ) =
14
15. d) How many ways can sit 4 people in 10 seats, on a straight line (2marks)
END
15