Unit 5: Expressions Review

Front

Simplify the expression: 13x + 3x + 2x

Back

18x

Front

What is the algebraic expression for '8.2 times as many fish'?

Back

8.2f

Front

Write 7^5 as a product of the same factor.

Back

7 x 7 x 7 x 7 x 7

Front

What is the factored form of the expression: 18x + 24y?

Back

6(3x + 4y)

Front

Which property is illustrated by the statement: 4 + 6 = 6 + 4?

Back

Commutative

Front

What is an expression?

Back

A combination of numbers, variables, and operators (like + and -) that represents a value.

Front

Define a variable in mathematics.

Back

A symbol (often a letter) that represents an unknown value.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, distributing a across the sum.

Front

What does it mean to factor an expression?

Back

To write it as a product of its factors.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.