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Mathematics · Karatasi 2 · 2015

27 maswali

💰 Fanya mtihani kamili TZS 200

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Maswali (27)

Sehemu A

1. 0 alamas

Write the next three numbers in the pattern: 4, 8, 12, 20, ....

  1. Find the next three numbers in the pattern: 4, 8, 12, 20, ... (3 alama)

Boresha ili kuona majibu ya mfano.

2. 0 alamas

Make x the subject of the formula: m = (y - b) / (x - a).

  1. Make x the subject of the formula: m = (y - b) / (x - a). (3 alama)

Boresha ili kuona majibu ya mfano.

3. 0 alamas

If the interior angles of a quadrilateral are 2x, 2x - 1°, 3x - 10°, and x - 13°, find the value of x.

  1. Find the value of x if the interior angles of a quadrilateral are 2x, 2x - 1°, 3x - 10°, and x - 13°. (3 alama)

Boresha ili kuona majibu ya mfano.

4. 0 alamas

Use divisibility rule to show whether 47187 is divisible by 9 or not.

  1. Use divisibility rule to show whether 47187 is divisible by 9 or not. (2 alama)

Boresha ili kuona majibu ya mfano.

5. 0 alamas

Write each of the following expressions in simplest form: a) 7m − 2n + 6 − 5m + 7n + 3, b) 72a²b / (-8ab^8a)

  1. Write 7m − 2n + 6 − 5m + 7n + 3 in simplest form. (2 alama)
  2. Write 72a²b / (-8ab^8a) in simplest form. (3 alama)

Boresha ili kuona majibu ya mfano.

6. 0 alamas

Find x : y given that (x + y) : (2x + y) = 4 : 5.

  1. Find x : y given that (x + y) : (2x + y) = 4 : 5. (3 alama)

Boresha ili kuona majibu ya mfano.

7. 0 alamas

a) The table below shows the connectives used in logic. Write the symbol used for each connective: Equivalence, Disjunction, Condition, Conjunction. b) Write the following statement in symbolic form: “If 2 is an even number, then 5 is an odd number.”

  1. Write the symbol used for each connective: Equivalence, Disjunction, Condition, Conjunction. (2 alama)
  2. Write the statement “If 2 is an even number, then 5 is an odd number.” in symbolic form. (2 alama)

Boresha ili kuona majibu ya mfano.

9. 0 alamas

Find the value of x in the equation: x/2 + 1/5 = x/5 - 2/5.

  1. Find the value of x in the equation: x/2 + 1/5 = x/5 - 2/5. (3 alama)

Boresha ili kuona majibu ya mfano.

10. 0 alamas

The period T of a simple pendulum varies directly with the square root of length l of the pendulum and when the period is 1.2s the length is 0.36m.

  1. Set up the variation equation and find the constant of variation. (3 alama)
  2. Find the period when the length is 0.64m. (2 alama)

Boresha ili kuona majibu ya mfano.

11. 0 alamas

Find the equation of the locus of the points which are equidistant from the points A(1,1) and B(5,3).

  1. Find the equation of the locus of the points which are equidistant from the points A(1,1) and B(5,3). (4 alama)

Boresha ili kuona majibu ya mfano.

12. 0 alamas

Find the coordinates of the midpoint of the line segment which joins the points P(3,7) and R(5,9).

  1. Find the coordinates of the midpoint of the line segment which joins the points P(3,7) and R(5,9). (2 alama)

Boresha ili kuona majibu ya mfano.

13. 0 alamas

a) Define the term 'Non-Collinear points'. b) Find k if the points R(3,4), S(k,1) and T(15,-5) are collinear.

  1. Define the term 'Non-Collinear points'. (1 alama)
  2. Find k if the points R(3,4), S(k,1) and T(15,-5) are collinear. (4 alama)

Boresha ili kuona majibu ya mfano.

14. 0 alamas

Find the number of sides of the polygon whose sum of interior angles is 540°.

  1. Find the number of sides of the polygon whose sum of interior angles is 540°. (3 alama)

Boresha ili kuona majibu ya mfano.

15. 0 alamas

Find the points of intersection of the curve y = x² and the line y = 2x + 3.

  1. Find the points of intersection of the curve y = x² and the line y = 2x + 3. (4 alama)

Boresha ili kuona majibu ya mfano.

16. 5 alamas

(a) Define the term “Contradiction” as it is used in logic. (b) Write the contrapositive of the proposition ( p ∨ q) →~ q .

  1. Define the term “Contradiction” as it is used in logic. (2 alama)
  2. Write the contrapositive of the proposition ( p ∨ q) →~ q . (3 alama)

Boresha ili kuona majibu ya mfano.

17. 4 alamas

Complete the shapes of the provided figures which contained lines of symmetry indicated by dotted lines. a) (b)

  1. Complete the shape with the indicated line of symmetry. (2 alama)
  2. Complete the shape with the indicated line of symmetry. (2 alama)

Boresha ili kuona majibu ya mfano.

18. 4 alamas

Find the stationary point on the quadratic function y= x² +10x+10.

  1. Find the stationary point on the quadratic function y= x² +10x+10. (4 alama)

Boresha ili kuona majibu ya mfano.

19. 5 alamas

If ab=ab² 2b a*b, find  23  5.

  1. If ab=ab² 2b a*b, find  23  5. (5 alama)

Boresha ili kuona majibu ya mfano.

20. 5 alamas

The average score of a student in four subjects was 80 marks. Find an average score of five subjects if the score in the fifth subject was 95 marks.

  1. The average score of a student in four subjects was 80 marks. Find an average score of five subjects if the score in the fifth subject was 95 marks. (5 alama)

Boresha ili kuona majibu ya mfano.

Sehemu B

21. 10 alamas

Use graphical method to solve the following simultaneous equations: y = x² -1 y = 2x - 2

  1. Solve the simultaneous equations y = x² -1 and y = 2x - 2 graphically. (10 alama)

Boresha ili kuona majibu ya mfano.

22. 10 alamas

In a group of tourists, 37 like chicken, 48 like fish and 45 like beef, 15 like chicken and fish, 13 like fish and beef, 7 like chicken and beef and 5 like all the three” a) Draw a Venn diagram to represent the given information, b) Find the number of tourists who like Beef only......................................................................................................................... c) Calculate the number of tourists in the group if each tourist has at least one choice.

  1. Draw a Venn diagram to represent the given information. (4 alama)
  2. Find the number of tourists who like Beef only. (3 alama)
  3. Calculate the number of tourists in the group if each tourist has at least one choice. (3 alama)

Boresha ili kuona majibu ya mfano.

23. 10 alamas

(a) Write the converse of the statement “If x is a negative number then x is positive. (b) Show that the proposition (~ P ∧ Q) ∧ (Q → P) is a contradiction by using a truth table. (c) Draw the electrical circuit of the compound statement P ∧ R ∧ (P ∨ S).

  1. Write the converse of the statement “If x is a negative number then x is positive. (2 alama)
  2. Show that the proposition (~ P ∧ Q) ∧ (Q → P) is a contradiction by using a truth table. (5 alama)
  3. Draw the electrical circuit of the compound statement P ∧ R ∧ (P ∨ S). (3 alama)

Boresha ili kuona majibu ya mfano.

24. 10 alamas

(a) The line y = 2x + 4 which is parallel to another line which passes through the points (k,4) and (4,6), find the value of k . 3 (b) Find the equation of a line which is perpendicular to the line y = x4 and 4 passes through the point (1, 4).

  1. The line y = 2x + 4 which is parallel to another line which passes through the points (k,4) and (4,6), find the value of k . (5 alama)
  2. Find the equation of a line which is perpendicular to the line y = 3/4 x + 4 and passes through the point (1, 4). (5 alama)

Boresha ili kuona majibu ya mfano.

25. 10 alamas

Given that y is directly proportional to the square of x and inversely proportional to z. If y =12 , when x =10 and z = 50; find y when z=50 and z=30

  1. Given that y is directly proportional to the square of x and inversely proportional to z. If y =12 , when x =10 and z = 50; find y when z=50 and z=30 (10 alama)

Boresha ili kuona majibu ya mfano.

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