Systems of Equations |
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Two or more equations put together are called Systems of Equations. |
Systems of Inequalities |
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Two or more inequalities put together are called Systems of Inequalities. |
Below, we have a system of inequalities:
y > x - 1
y < -x + 2
Figure 1. |
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First, we've graphed the first inequality. Anything within the area indicated by the green arrows is a valid solution to the first inequality.
Figure 2. |
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Now, we've graphed the second inequality. Anything within the area indicated by the new green arrows is a valid solution to the second inequality.
Figure 3. |
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A valid solution to both of these inequalities is any point within the overlapping green arrows.