REVIEW: Writing Expressions and Algebra Properties

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What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction. For example, in the expression 5x³ - 7x + 11, there are three terms: 5x³, -7x, and 11.

Front

How many terms are in the expression 5x³ - 7x + 11?

Back

3

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform any operations to reduce it to its simplest form.

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Back

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations (such as addition, subtraction, multiplication, and division) that represents a value.

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How do you evaluate an expression?

Back

To evaluate an expression, substitute the values of the variables into the expression and perform the operations according to the order of operations.

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Back

6

Front

What is the Distributive Property?

Back

The Distributive Property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

Give an example of the Distributive Property.

Back

3(w + 4) = 3w + 12.

Front

What is a variable in algebra?

Back

A variable is a symbol, usually a letter, that represents an unknown value in an expression or equation.