A17­6SystemsOfLinearInequalities.notebook
January 08, 2016
Algebra 1
Ch.7 Notes Page 44
P44 7­6 Systems of Linear Inequalities
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Systems of Linear Inequalities
A system is two or more inequalities that are related.
A solution on a graph is the Region. Not a Point (Equations have a Point).
x > 3
y < ­2
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A17­6SystemsOfLinearInequalities.notebook
January 08, 2016
Graphing Inequalities
y > 2x ­ 3
and y > ­3x + 2
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Graphing Inequalities
y > 2x ­ 5
and 3x + 4y < 12
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A17­6SystemsOfLinearInequalities.notebook
January 08, 2016
Writing Systems from a Graph
Blue
Slope
Red
Slope
Y­Int.
Y­Int.
Line
Line
Shade
Shade
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Animal Habitat
A zoo keeper wants to fence a rectangular habitat for tigers. The length of the habitat should be at least 80ft, and the distance around it should be no more than 280ft. What are the possible dimensions of the habitat?
x = width
y = length
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