1.1 Using Variables

Question 1

Variable

Answer 1

is a symbol, usually a letter, that represents one or more numbers.

Question 2

Algebraic Expression

Answer 2

is a mathematical phrase that can include numbers, variables, and operation symbols.

Question 3

Equation

Answer 3

is a mathematical sentence that uses an equal sign.

Question 4

Open Sentence

Answer 4

An equation that contains one or more variables in an