1.1 using variables

Question 1

variable

Answer 1

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

Question 2

equation

Answer 2

is a mathematical sentence that uses an equal sign

Question 3

algebraic expression

Answer 3

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

Question 4

open sentence

Answer 4

an equation that contains one or more variables