Algebra Vocab Review

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What is the Commutative Property in algebra?

Back

The Commutative Property states that the order of addition or multiplication does not affect the result. For example, a + b = b + a and ab = ba.

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What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression. For example, in 4x, 4 is the coefficient.

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What is an equation?

Back

An equation is a statement that the values of two mathematical expressions are equal, indicated by the equal sign (=). For example, 2x - 5 = 32.

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What does the phrase '5n - 8 = -4' represent?

Back

The phrase '5n - 8 = -4' is an example of an equation.

Front

What does the phrase '5n - 8' represent?

Back

The phrase '5n - 8' is an example of an expression.

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What is the difference between an expression and an equation?

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An expression is a combination of numbers, variables, and operators without an equal sign, while an equation is a statement that two expressions are equal.

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What is the Associative Property in algebra?

Back

The Associative Property states that the way in which numbers are grouped in addition or multiplication does not change their sum or product. For example, (a + b) + c = a + (b + c) and (ab)c = a(bc).

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What is a variable in algebra?

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A variable is a symbol, often a letter, that represents one or more numbers. For example, in the expression 3x + 2, x is the variable.

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What is a constant in algebra?

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A constant is a fixed value that does not change. For example, in the expression 4x + 5, the number 5 is a constant.

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What is the purpose of solving an equation?

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The purpose of solving an equation is to find the value(s) of the variable(s) that make the equation true.