One Variable Inequalities

1. September 3, 2009
Warm ­ Up
Graph the inequality x > ­3
Graph the inequality ­4 < x ≤ 1

3. Solving Inequalities (One Variable)
Same process as solving equations
except:
When you divide or multiply
by a negative number, you flip
the inequality around
This does not mean, if you are multiplying
or dividing a number with a negative
number!

4. Compound Inequalities
And Or
a ≤ x ≤ b x ≤ a or x ≥ b

5. HW: pg. 45 #14­50 (1/4)
pg. 55 #10­32 (1/4)