December 16, 2010
5‐6
Graphing
Inequalities
in
Two
Variables
Things
to
remember
about
graphing
inequalities
in
two
variables:
1. Solid
lines
(<,
>)
versus
dotted
lines
(<,
>)
2. Shade
areas…test
a
point
to
decide
which
side
to
shade.
Graph.
1.
y < 2x + 1
2.
y > -4x + 6
3.
2y - 4x > 6
December 16, 2010
4.
‐24x
+
8y
<
‐
48
Use
a
graph
to
solve
each.
5.
20x
–
5
>
35