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Equations and Inequalities

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Checking Solutions to Equations
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Inequalities that Allow Equality
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Inequalities that Allow Equality Examples Page 1

Page (1 of 2) Examples: 1 2

Example 1

x ≥ 3 and 3 ≤ x are equivalent. They both say that x must be at least 3. Demonstrate this.
Representing inequalities that allow equality on the number line is similar to representing strict inequalities on the number line. Instead of drawing an open circle, we draw a big (closed) dot to show that the variable can equal the number to which it is being compared. Don't make your dot too big though. Let's not get carried away.

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