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Inequalities

Practice solving inequalities using inverse operations in these 5-minute checks. Includes equations with addition, multiplication, and division.

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Inequalities

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  1. Inequalities Objective: Use inequalities

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

  3. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7

  4. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s

  5. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17

  6. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12

  7. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84

  8. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32

  9. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69

  10. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69 • 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? • Define a variable.

  11. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69 • 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? • Define a variable. s = satellites

  12. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69 • 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? • Define a variable. s = satellites • Write an equation.

  13. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69 • 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? • Define a variable. s = satellites • Write an equation. 10s = 7000

  14. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69 • 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? • Define a variable. s = satellites • Write an equation. 10s = 7000 • Solve for the number of satellites.

  15. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69 • 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? • Define a variable. s = satellites • Write an equation. 10s = 7000 • Solve for the number of satellites. 700

  16. 5-Minute Check • Solve each equation using the inverse operation. • 5 + r = 12 7 • 34 = 2s 17 • 7 = g/12 84 • 4.37 = y – 9.32 13.69 • 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? • Define a variable. s = satellites • Write an equation. 10s = 7000 • Solve for the number of satellites. 700 • Check your solution.

  17. 1-9 Inequalities Inequality symbols

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

  19. 1-9 Inequalities • Example • For the given value, state whether each inequality is true or false. • 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. • 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. • 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. • x – 7 > 16, x = 15 • 15 – 7 > 16 • 8 > 16 • This sentence is false. • 16 ³2h/12 + 11, h = 24

  23. 1-9 Inequalities • Example • For the given value, state whether each inequality is true or false. • x – 7 > 16, x = 15 • 15 – 7 > 16 • 8 > 16 • This sentence is false. • 16 ³2h/12 + 11, h = 24 • 16 ³2*24/12 + 11

  24. 1-9 Inequalities • Example • For the given value, state whether each inequality is true or false. • x – 7 > 16, x = 15 • 15 – 7 > 16 • 8 > 16 • This sentence is false. • 16 ³2h/12 + 11, h = 24 • 16 ³2*24/12 + 11 • 16 ³ 4 + 11

  25. 1-9 Inequalities • Example • For the given value, state whether each inequality is true or false. • x – 7 > 16, x = 15 • 15 – 7 > 16 • 8 > 16 • This sentence is false. • 16 ³2h/12 + 11, h = 24 • 16 ³2*24/12 + 11 • 16 ³ 4 + 11 • 16 ³ 15

  26. 1-9 Inequalities • Example • For the given value, state whether each inequality is true or false. • x – 7 > 16, x = 15 • 15 – 7 > 16 • 8 > 16 • This sentence is false. • 16 ³2h/12 + 11, h = 24 • 16 ³2*24/12 + 11 • 16 ³ 4 + 11 • 16 ³ 15 • This sentence is true.

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