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We shade a region because an inequality has a range of answers, not just a single boundary value. The shaded region represents all the ordered pairs (x, y) that satisfy the inequality.

Conditions: The relation being graphed is an inequality.; The graph is in a two-dimensional coordinate system.

We shade a region because an inequality has a range of answers, not just a single boundary value. The shaded region represents all the ordered pairs (x, y) that satisfy the inequality.

Conditions: The relation being graphed is an inequality.; The graph is in a two-dimensional coordinate system.