Systems of Inequalities 2

Directions: Using the integers −9 to 9 at most one time each, place an integer in each box to create a system of inequalities as well as an included and excluded point. Make the points as close together as possible.

Hint

How can you check whether your solution is included or excluded algebraically? How can you check whether your solution is included or excluded graphically?

Answer

The current closest distance between the included and excluded points is √2 units from:
y < -2x + 7
y > 8x + 4
Included: (0, 5)
Excluded: (1, 6)

Source: Robert Kaplinsky

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Systems of Inequalities 1

Directions: Using the integers −9 to 9 at most one time each, place an integer …

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