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Equations and Inequalities

Equations and Inequalities

Inequalities that Allow Equality Examples

Example 1

x ≥ 3 and 3 ≤ x are equivalent. They both say that x must be at least 3. Demonstrate this.

Example 2

To represent the inequality 3 ≤ x we draw a number line labeled with the name of the variable, and put a big dot at 3: