Expressions, Equations, and Inequalities Review

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What is an expression in mathematics?

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An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

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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 an equals sign (=).

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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 coefficient in an expression represent?

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The coefficient is the numerical factor that multiplies a variable in an expression.

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Substituting w = 5 gives m = 8 * 5 = 40.

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What is the distributive property?

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What does it mean for two expressions to be equivalent?

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Two expressions are equivalent if they have the same value for all values of the variables involved.

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How do you represent 'x is less than 10' in inequality form?

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