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