1. 3.4 Solving Inequalities with Addition and Subtraction

2. Inequality Two expressions with an inequality symbol between them.
THEY ARE NOT EQUAL!

3. Inequality Symbols x < 2 x ≤ 3 x > -4 x ≥ -1 x is less than 2
x is less than or equal to 3
x is greater than -4
x is greater than or equal to -1

4. Write an inequality that represents the verbal sentence.
Three plus a number is less than or equal to five.
3 + x ≤ 5
Negative four minus a number is greater than negative ten.
-4 - x > -10

5. Graphing an Inequality
x < 5

6. Graphing an Inequality
x ≥ 4

7. Graphing an Inequality
x ≤ -3

8. Solving an Inequality x + 3 > 5 -3 -3 x > 2
x > 2

9. Solving an Inequality 10 ≤ x + 13 -13 -13 -3 ≤ x
-3 ≤ x

10. Rules for Graphing an Inequality
Solve if necessary
Place circle on the number
Shade circle if can be equal to
Point arrow in the direction of possible x values