Aim #21: How do we solve and
graph inequalities?
(Unit 2 - Equations and Inequalities)
10-17-16
HW #21: Solving and Graphing Inequalities Handout
Do Now: A class contributed $19.00 in quarters and dimes to a
local shelter. In all there were 100 coins.
How many of each kind were there?
Solving and Graphing Inequalities
Ex #1:
2x + 5 > 9
STEP 1:
STEP 2:
STEP 3:
Ex. #2:
2 x-6
≤4
5
Ex. #3:
-3x + 7 ≥ 16
Ex. #4:
x +1
<0
-4
Rule:
Graph each solution on a number line.
a) 5 < x
b) x ≤ 2 or x > 6
c) x > -3 and x < 1
d) 2 ≤ x < 7
e) What is another way to write 2 ≤ x < 7?
Unit 2 Test on Thursday!
(Aims #12-22)