FIRST TERM, JSS 3 MATHEMATICS EXAMINATION, 2024.

Welcome to your FIRST TERM, JSS 3 MATHEMATICS EXAMINATION, 2024.

Name

Class

Objective ( Attempt all questions)

1. Expand (b - 5)²

b² + 10b + 25

2b² - 10b + 25

2b² + 10b + 25

b² - 10b + 25

2. Find the HCF of 10ax² and 14a²x

70ax

140a²x²

2ax

24ax

3. Factorise 6x - 15y

3 (2x - 5y)

3x (2 - 5y)

3(3x. - 5y)

3x ( x - 5)

4. Factorise a(m + 1) + b(m + 1)

2(m + 1)(a + b)

(m + 1)(a + b)

(a - b)(m + 1)

ab(m + 1)

5. Factorise a² - 6a + 8

(a - 2)(a + 4)

(a - 2)(a - 4)

(a + 2)(a -4)

(a + 2)(a + 4)

6. The coefficient of x in x² - 4x - 12 is

-12

- 4

7. a²b ÷ ab is equal to

a²b

8. Find the value of - 6a × -7b

42ab

- 42ab

42a²b

9. Simplify - 12g + 20g

-22g

- 8g

22g

10. The decimal part of a rational number is either

non terminating or non recurring

terminating or non recurring

non terminating or recurring

terminating or recurring

11. What integral value of x satisfy the inequality -3 < x < 2

- 2, -1, 0, 1, 2

-1, 0, 1

-2, -1, 0, 1

-1, 0, 1, 2

12. These numbers: 0.5454..., 4.125, -¾, 0, 1⅖ are examples of ____

integer

rational number

natural numbers

irrational numbers

13. Expressing 4/11 as a decimal, correct to 3 significant figures gives

0.363

0.364

3.63

364

14. Numbers which cannot be expressed as a ratio of two integers (a/b) where b ≠ 0 are called ___

rational numbers

irrational numbers

terminating decimals

recurring decimals

15. Which of these numbers is the greatest?

- 13

- 36

-1

16. Which of these is not a quadratic expression?

Y² + 9y + 8

36 - a²

2x³ + 4x + 6

3 - 12y -y²

17. In the expression, u² + 6u -7, the constant is __

- 7

- 6

18. Find how long it would take for an invested sum of #1200 to generate #540 simple interest at 6% per annum

7½yrs

72yrs

2/15yr

4yrs

19. Find the reciprocal of x/y

×/y

- y/x

y/x

20. Write down the square root of 16/9 C²M²

4/3 c²m²

4/9 cm

4/3 cm

4/3 cm²

Subjective (Attempt all questions)

21. If x = ¾ × 133 - ¾ × 93, use factorisation to find the value of x.

22. Factorise 3a - 3b + ac - cb

23. Expand 43.12six in the power of its base

24. Make C the subject of the formula: T = C + 273

25. Find the coefficient of x in the expansion of (x - 2)(x + 9)

26. Rewrite these numbers using dot notation (a) 0.222222.. (b)3.28282828..

27. Find the HCF of 35p²q² and 14mp²q

28. Expand - 6( - 7s + q)

29. Convert 49ten to base six

30. If m = 100/ n², find n where m = 9

Theory (Answer any FOUR questions)

31. Convert 111110two to (a) base ten (b) then to base 8

32. Given that V = U + at, make ( i ) U (ii) a ( iii) t the subject of the formula.

33. Write 3.858585... as rational number

34. Factorise the following: (a) 100 - w² (b)C² - 8C - 20 (c) U² - 12u + 36

35. Given that y = 15 - 2x, construct a table giving values of y, for x = -4, 0, 4, 8 and 12

36. Find the compound interest on #800 for 2years at 5% per annum.

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