August 24, 2017
1.3 Solving Linear Inequalities
Learning Target: I can solve and graph simple and
compound inequalities [A.REI.3]
*Remember when you multiply or divide by a negative number, reverse the inequality.
-1 0-2-3-4-5 1 2 3 4 5
Solve & graph.
1. 11y - 9 > 13
2. 7x + 9 < 10x - 12
10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10
10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10
3.
4.
10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10
5.
10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10
August 24, 2017
Solving Compound Inequalities
"AND"
6.
10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10
"AND"
7.
10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10
"OR"
8. -2x + 7 < 3 or 3x + 5 < 2
10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10
Assignment:1.3 Worksheet
Do #1 - 9 odd, 11 - 16 all, 17 - 20 E.C.
Alg 2 1.3 Solving Linear Inequalities Wksht Answers
17) v = 318) a = – 119) n = – 520) a= 1
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