Graphing Inequalities

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What is an inequality?

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An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

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What does the symbol '>' mean?

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The symbol '>' means 'greater than'.

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What does the symbol '<' mean?

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The symbol '<' means 'less than'.

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What does the symbol '≥' mean?

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The symbol '≥' means 'greater than or equal to'.

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What does the symbol '≤' mean?

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The symbol '≤' means 'less than or equal to'.

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What is the graph of an inequality?

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The graph of an inequality shows all the possible solutions that satisfy the inequality.

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What type of line is used for 'greater than' or 'less than' inequalities?

Back

A dotted line is used for 'greater than' (>) or 'less than' (<) inequalities.

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What type of line is used for 'greater than or equal to' or 'less than or equal to' inequalities?

Back

A solid line is used for 'greater than or equal to' (≥) or 'less than or equal to' (≤) inequalities.

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