Download Unit 6 Notes day 2 solve inequalities using multi and division

Algebra Part 3
Unit 6 day 2
Name____________________________
Date________________
Warm-up
Solve the following inequalities and graph.
1.) x - 3 ≤ 5
2.) 2 > x + 7
3.) x + 8 < 10
Guided Notes
Unit 6 Notes Day 2 - Solve Inequalities Using Multiplication and Division
Multiplication & Division Property of Inequality
Multiplying or dividing each side of an inequality by a _______________ number produces an
_______________________ inequality.
Multiplying or Dividing each side of an inequality by a _______________ number produces an
__________________ inequality if and only if you flip or ________________ the direction of
the inequality symbol.
Multiplication Examples - Solve and graph. (Check!)
1.)
x
<5
4
3.)
x
<7
−6
2.)
4.)
x
≥ 8
3
x
≥ 12
−4
Division Examples - Solve and graph. (Check!)
1.) 3x > 24
2.) 5v ≥ 25
3.) -3x < 24
4.) -6n ≥ 24
Guided Practice - Solve and graph.
x
>2
5
2.)
x
< 3
−2
4.) -3x ≥ 6
5.)
x
<0
−4
1.)
Homework: P. 366 #3-6, 11-14, 28-29, 31-32
3.) 2x ≤ 5
6.) 4x > -8