Fall Interim Review 4: Solve equations & inequalities

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What is an equation?

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An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

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What is an inequality?

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

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How do you solve a linear equation?

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To solve a linear equation, isolate the variable on one side of the equation using inverse operations.

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What does it mean to isolate a variable?

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Isolating a variable means to manipulate the equation so that the variable is alone on one side of the equation.

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It represents a situation where there are 120 gallons of water in a tank, releasing water at a rate of 25 gallons per minute.

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Multiply both sides by the denominator, 2.

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What is a solution set?

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A solution set is the set of all values that satisfy a given equation or inequality.