Linear Ineaqualities FINAL 03.01
Inequalities from (5) to (8) are linear inequalities in one variable x when a ≠ 0, while inequalities from (9) to (12) are linear inequalities in two variables x and y when a ≠ 0, b ≠ 0. Inequalities (13) and (14) are not linear (in fact, these ar e quadratic inequalities in one variable x when a ≠ 0).
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