Flashcard on Solving Inequalities

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What is an inequality?

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An inequality is a mathematical statement that compares two expressions using inequality symbols such as <, >, ≤, or ≥.

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What does it mean to solve an inequality?

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To solve an inequality means to find all values of the variable that make the inequality true.

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How do you graph an inequality on a number line?

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To graph an inequality, use an open circle for < or > and a closed circle for ≤ or ≥, then shade the region that satisfies the inequality.

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What is the inequality sign flip rule?

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

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What happens when you add or subtract a number from both sides of an inequality?

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The direction of the inequality remains the same.

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