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Graphing Inequalities Test
About Graphing Linear Inequalities in two Variables:

When we graph a linear inequality in two variables, we have two different approaches. We can solve for y, graph the boundary line, and shade above the line for a greater than or below the line for a less than. We can also graph the boundary line and use a test point.

Test Objectives:

•Demonstrate the ability to draw the boundary line

•Demonstrate the ability to graph an inequality with the test point method

•Demonstrate the ability to graph an inequality by solving for y

Graphing Linear Inequalities in two Variables Test:




#1:


Instructions: Graph each.


a) 5x + 3y > -9


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|
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#2:


Instructions: Graph each.


a) y > -3


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|
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#3:


Instructions: Graph each.


a) 2x + 3y < 9


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|
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#4:


Instructions: Graph each.


a) x ≥ 1


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|
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#5:


Instructions: Graph each.


a) 5x - 3y ≥ 0


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|
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Written Solutions:




#1:


Solution:


a)


graph 5x + 3y > -9
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#2:


Solution:


a)


graph y > -3
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#3:


Solution:


a)


graph 2x + 3y < 9
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#4:


Solution:


a)


graph x ≥ 1
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#5:


Solution:


a)


graph x ≥ 1
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