Graphing Linear Inequalities Steps for Graphing an Inequality:
alone. You must flip the inequality symbol if you multiply or divide by a.
2. Identify the
(m) and
1.
Get
number.
(b).
<
3. Graph the line as dotted or solid. (see table to the right)
AL
4. Shade upward
_) or downward
5. Choose a point in the shaded region and ensure that it makes the inequality
Choose a point in the unshaded region
ensure that it makes the inequality
Example 1:
Graph x + y > 1
X
Are the following points in the solution set? Show work or explain.
a) (3,2)
b) (-1,3)
c) (-3,-4)
d) (1,0)
Example 2:
Graph x – 2y 26