November 24, 2015
HAPPY TUESDAY!!!
Solving Inequalities by Multiplication and
Division
Assignment: p. 295 #12-28 odd, 30-38 all
November 24, 2015
p. 288 #12-32 even, 34-40 all
12. {m| m < 7}
32. {n| n > 12}
14. {r| r < 15}
34. {b| b > 4140}
16. {b| b > 2}
35. {n| n > 5}
18. {c| c < - 4}
36. {n| n > 41}
20. {m| m > 4}
37. {t| t < 77}
22. {r| r > 22}
38. {p| p > 27}
24. {a| a < - 4}
26. {w| w > - 5}
28. {x| x < 5}
30. {n| n > 9}
39. {m| m < 17}
40. {t| t < 19 5/12}
November 24, 2015
WARM-UP:
Solve each inequality. Then graph the solution on a
number line.
Write an inequality and solve each problem.
4. The sum of a number and 7 is at least -5.
5. Twenty is less than the sum of twice a number and 8.
November 24, 2015
EXAMPLE:
Y < 2
6
3 h>-3
5
November 24, 2015
November 24, 2015
- p < -6
6
3m < - 3
20
5
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g > -2
5
- 3 > - 9p
4
5
n > 5.4
10
2a > -6
7
November 24, 2015
Half of a number is at least 14.
The opposite of one-third a number is greater than 9.
- 1/3 x > 9
November 24, 2015
One fifth of a number is at most 30.
1/5 x < 30
Four times a number is no more than 108.
4x < 108