1. Inequalities Objective: Use inequalities

2. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 12

3. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127

4. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s

5. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17

6. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/12

7. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284

8. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.32

9. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69

10. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69 5.Astronomers keep track of about 7000 objects. One out of every ten of these is a satellite. The rest are “space trash.” About how many satellites are astronomers tracking? a.Define a variable.

11. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69 5.Astronomers keep track of about 7000 objects. One out of every ten of these is a satellite. The rest are “space trash.” About how many satellites are astronomers tracking? a.Define a variable. s = satellites

12. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69 5.Astronomers keep track of about 7000 objects. One out of every ten of these is a satellite. The rest are “space trash.” About how many satellites are astronomers tracking? a.Define a variable.s = satellites b.Write an equation.

13. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69 5.Astronomers keep track of about 7000 objects. One out of every ten of these is a satellite. The rest are “space trash.” About how many satellites are astronomers tracking? a.Define a variable.s = satellites b.Write an equation.10s = 7000

14. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69 5.Astronomers keep track of about 7000 objects. One out of every ten of these is a satellite. The rest are “space trash.” About how many satellites are astronomers tracking? a.Define a variable.s = satellites b.Write an equation.10s = 7000 c.Solve for the number of satellites.

15. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69 5.Astronomers keep track of about 7000 objects. One out of every ten of these is a satellite. The rest are “space trash.” About how many satellites are astronomers tracking? a.Define a variable.s = satellites b.Write an equation.10s = 7000 c.Solve for the number of satellites.700

16. 5-Minute Check Solve each equation using the inverse operation. 1.5 + r = 127 2.34 = 2s17 3.7 = g/1284 4.4.37 = y – 9.3213.69 5.Astronomers keep track of about 7000 objects. One out of every ten of these is a satellite. The rest are “space trash.” About how many satellites are astronomers tracking? a.Define a variable.s = satellites b.Write an equation.10s = 7000 c.Solve for the number of satellites.700 d.Check your solution.

17. 1-9 Inequalities <>  less than fewer than greater than more than exceeds less than or equal to no more than at most greater than or equal to no less than at least Inequality symbols

18. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15

19. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16

20. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16 8 > 16

21. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16 8 > 16 This sentence is false.

22. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16 8 > 16 This sentence is false. b.16  2h / 12 + 11, h = 24

23. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16 8 > 16 This sentence is false. b.16  2h / 12 + 11, h = 24 16  2*24 / 12 + 11

24. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16 8 > 16 This sentence is false. b.16  2h / 12 + 11, h = 24 16  2*24 / 12 + 11 16  4 + 11

25. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16 8 > 16 This sentence is false. b.16  2h / 12 + 11, h = 24 16  2*24 / 12 + 11 16  4 + 11 16  15

26. 1-9 Inequalities Example For the given value, state whether each inequality is true or false. a.x – 7 > 16, x = 15 15 – 7 > 16 8 > 16 This sentence is false. b.16  2h / 12 + 11, h = 24 16  2*24 / 12 + 11 16  4 + 11 16  15 This sentence is true.