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Answers for “如何绘制只有一个变量的线性不等式,例如 y ≤ 2?”

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To graph y≤2y \le 2, first draw a horizontal boundary line at y=2y = 2. Make the line solid because the inequality includes equality.

Conditions: The inequality restricts only one variable (y).; The inequality is non-strict (≤).

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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.