soalan inequalities

5
1. Which of the following is true? A. -2 < -5>≤≥ C. -6 < -2 B. -3 > 0 D. -2 > -1 2. Which of the following is true? A. -5 > -3 C. -0.6 > 0.8 B. -2 > 1 D. 3. Which of the following is not true? A. 1800m < 3 km C. kg < 1200 g B. hours > 80 minutes D. 9 cm > 75 mm 4. Which of the following is not true? A. -1 < 0 C. 9 – 4 > 1 + 4 B. 5 > -4 D. -5 < -3 + 4 5.Which of the following is a linear inequality in one unknown? A. x < 5 C. x 2 > 1 B. x+ y > 1 D. < 10 6. m The inequality represented by the above number line is A. m > 1 C. m < 1 B. m ≥ 1 D. m ≤ 1 -2 -1 0 1 2 3 4 5 LINEAR INEQUALITIES

Upload: amie

Post on 10-Mar-2015

70 views

Category:

Documents


4 download

TRANSCRIPT

Page 1: Soalan Inequalities

1. Which of the following is true?A. -2 < -5>≤≥ C. -6 < -2B. -3 > 0 D. -2 > -1

2. Which of the following is true?A. -5 > -3 C. -0.6 > 0.8B. -2 > 1

D.

3. Which of the following is not true?A. 1800m < 3 km

C. kg < 1200 g

B. hours > 80 minutesD. 9 cm > 75 mm

4. Which of the following is not true?A. -1 < 0 C. 9 – 4 > 1 + 4B. 5 > -4 D. -5 < -3 + 4

5.Which of the following is a linear inequality in one unknown?A. x < 5 C. x2 > 1B. x+ y > 1 D. < 10

6. m

The inequality represented by the above number line isA. m > 1 C. m < 1B. m ≥ 1 D. m ≤ 1

7. Given x ≤ -2 and x is an integer. The possible values of x areA. -2. -3, -4 … C. -1, 0, 1…B. -3. -4. -5… D. 0. 1. 2 …

8. Miss Chan’s monthly salary of RMS is more than RM 2050.Which inequality below represents the given situation?A. S < 2050 C. S > 2050B. S ≤ 2050 D. S ≥ 2050

9. An equivalent inequality of 2x – 5 > 8 isA. 2x > 13 C. 2x > 3

-2 -1 0 1 2 3 4 5

LINEAR INEQUALITIES

Page 2: Soalan Inequalities

B. 2x < 13 D. 2x < 3

10. Write the first four values of y if -6 < y and y is a negative integer.A. -6, -7, -8, -9 C. -6, -5, -4, -3B. -7, -8, -9, -10 D. -5, -4, -3, -2

11. The smallest integer which satisfies the inequality 3x > 6A. 2 C. 4B. 3 D. 5

12. An equivalent inequality of –x > 4 isA. x > -4 C. x < -4B. x ≥ -4 D. x ≤ -4

13. Given 3x + 1 and x is an integer. Which of the following is not a possible value of x?A. -5 C. 3B. -3 D. 5

14. Given 3x + 2 < 17 and x is an integer. The maximum value of x isA. 5 C. 3B. 4 D. 2

15. The solution to the inequality is

A. x < 26 C. x < -9B. x > 26 D. x > -9

16.Given and x is an integer. The smallest value of x is

A. 11 C. 9B. 10 D. 8

17. Given -1 < 2x + 3 < 5 and x is an integer. The values of x areA. -2. 1 C. -2. -1. 0. 1B. -2. -1. 0 D. -1. 0

18. Given 2 ≤ x ≤ 5 and 6 ≤ y ≤ 8. where x and y are integers. Then. The smallest value of y – x isA. 4 C. 2B. 3 D. 1

19. The solution to the simultaneous linear inequalities x + 5 < 2 and 5x > -25 isA. -5 < x < -3 C. 3 < x < 5B. -3 < x < -5 D. -20 < x < -3

Page 3: Soalan Inequalities

20. Given that -3 + x > 8, write the new inequality when 3 is added to both sides of the inequalityA. x < 5 C. x < 11B. x > 5 D. x > 11

21. Goh bought 3 books for RM42. He made a profit when he sold all the books for RMa. Write an equality to represent the selling price of one book

22.

Write an equality to represent the above number line

23. Fill in the box with an appropriate symbol If –x > 4. then x -4

24. Given 4x < 100 and x is a prime number. List the possible values of x

25. Find the solution to the inequality

26. List the integer values of x that satisfy the inequalities x + 4 ≥ -7 and a < -8

27.Solve the inequality 5 + 6x ≤ 2

28. Solve the inequality 9 – 4x > 19 + x

29. Solve -1 ≤ x + 5 < 3

-6 -5 -4 -3

Page 4: Soalan Inequalities

30. Solve