1. Linear Equations and Inequalities Review Time!

2. Question 1 For the equation x+y=6 fill in the table of values below XY 0 1 2

3. Question 2 With the previous table of values, graph the data

4. Question 3 Draw a graph for the equation x = 3

5. Question 4 What kind of line does the graph y=-6 make? Verticle, horizontal or oblique (sideways)?

6. Question 5 Write an equation to describe the line.

7. Question 6 The difference between two numbers is 6. Let a represent the greater number and b the lesser number. o Complete a table for 6 different values of a

8. Question 7 The difference between two numbers is 6. Let a represent the greater number and b the lesser number. o Graph the data, should you join the points?

9. Question 8 The difference between two numbers is 6. Let a represent the greater number and b the lesser number. o Write an equation for that relates b to a

10. Question 9 Which equation matches the graph below? a.) y = x + 1b.) y = -3xc.) y = 3x

11. Question 10 Which graph on this grid has the equation y = 2x - 4

12. Question 11 Solve the equations below o 4x = 16 o 10 = 3b -12.5 o 250 + 3.5n = 670

13. Question 12 For the statement below, write the equation out and then solve to determine the number. A number divided by 4 is -7

14. Question 13 Write the equation represented by the picture

15. Question 14 Solve the equation using the balance strategy

16. Question 15 = f = -f = 1 = -1

17. Question 16 = f = -f = 1 = -1

18. Question 17 Solve the equation: 2 – 3n = 2n + 7

19. Question 18 Solve the equation: -2.4a + 3.7 = -16.1 + 3.1a

20. Question 19 Are each of the inequalities true or false? 5 < 8 2.01 > 2.1 -5 < -8

21. Question 20 Write the inequality for the graph below.

22. Question 21 Draw a graph for the inequality 7 < x

23. Question 22 Define a variable and write an inequality to model the situation: You must be at least 18 years old to vote in Canada.

24. Question 23 When the same number is added to or subtracted from each side of an inequality, is the resulting inequality still true? (yes or no)

25. Question 24 Solve the following inequality X + 10 < 6

26. Question 25 Solve the inequality, graph the solution and verify the solution X + 5 < 2

27. Question 26 What must you do if you divide or multiply an inequality on both sides by a negative number?

28. Question 27 Will the direction of the inequality sign change or remain the same in the following situations? -9 < 2; multiply by -3 -3 > -5; multiply each side by 4 5 < 10 ; divide each side by -5

29. Question 28 Solve each inequality and graph the solution 1 – k ≤ 4 + k -2.5v – 4.7 ≥ -3.8v + 1.58