Equivalent Expressions

Front

What are equivalent expressions?

Back

Expressions that have the same value for all values of the variable(s) involved.

Front

What are like terms?

Back

Terms in an expression that have the same variable raised to the same power.

Front

Simplify the expression: -3x + x - 5 - 2 + 2x

Back

-3x + x + 2x and -5 - 2 can be combined to give 0x - 7.

Front

What is the process of factoring in algebra?

Back

Factoring is rewriting an expression as a product of its factors.

Front

Simplify the expression using factoring: 4x + 12 + 2x

Back

6(x + 2).

Front

What is the difference between an expression and an equation?

Back

An expression does NOT contain an equal sign, but an equation does.

Front

Which expressions are equivalent to: 3x + 4?

Back

b. 6 + 2(x - 1) + x and c. 3(x + 4 - 2) - 2.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is a variable in mathematics?

Back

A symbol, often a letter, that represents a number in expressions or equations.

Front

What is the distributive property?

Back

a(b + c) = ab + ac; it allows you to multiply a single term by two or more terms inside a parenthesis.