Friday 12/6 pre algebra warm up

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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, greater than or equal to, or less than or equal to the other.

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What does it mean to flip the inequality sign?

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Flipping the inequality sign means changing the direction of the inequality symbol (e.g., from < to >) when multiplying or dividing both sides of the inequality by a negative number.

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Write the inequality for Sylvia's savings goal: She has $60 and saves $5 per week to reach at least $200.

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What is the least number of cars Lea needs to wash to buy headphones costing at least $240 if she has saved $30 and earns $14 per car?

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When do you flip the inequality sign?

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You flip the inequality sign when you multiply or divide both sides of the inequality by a negative number.

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