Solving and Graphing Inequalities

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What does the inequality symbol '≤' mean?

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It means 'less than or equal to'. It indicates that a value can be either less than or exactly equal to another value.

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What does the inequality symbol '≥' mean?

Back

It means 'greater than or equal to'. It indicates that a value can be either greater than or exactly equal to another value.

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What does the inequality symbol '<' mean?

Back

It means 'less than'. It indicates that one value is smaller than another value.

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What does the inequality symbol '>' mean?

Back

It means 'greater than'. It indicates that one value is larger than another value.

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Draw an open circle at -4 and shade to the left to indicate all numbers less than -4.

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Back

Draw a closed circle at -1 and shade to the right to indicate all numbers greater than or equal to -1.

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Subtract 5 from both sides to isolate the term with x.

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A closed dot is used to indicate that -4 is included in the solution.

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