Graphing a Linear Inequality

1
Technology 3.1
Graphing a Linear Inequality in Two Variables
Figure 3.1a
For Figure 3.1a,
Enter the boundary equation y x 5 in Y1.
Y
5

X,T,?,n
Since the inequality is greater than, shade
above the boundary line. Use the left arrow key
to move left of Y1.
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Choose the shade above option. The calculator
will display a blinking triangle above a
diagonal.
ENTER
ENTER
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Technology 3.1
Graphing a Linear Inequality in Two Variables
Y1 x 5
Figure 3.1b
(-47,47,-31,31)
For Figure 3.1b, Graph.
GRAPH
The calculator display shows the shaded graph it
does not show a dashed or solid boundary line.
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