| Term | Definition |
|
expression |
a group of mathematical symbols that represents a number and does not contain a relation symbol (=, <, >) - ex. 5 * 4 |
|
algebraic expression |
an expression that contains a variable - ex. x - 2 |
|
equation |
a number sentence that contains an equal sign - ex. 2 + 5 = 7 |
|
algebraic equation |
a number sentence that contains an equal sign and algebraic expressions - ex. y + 2 = 5 |
|
variable |
a letter or other symbol that represents a number |
|
formula |
a general rule for finding the value of something |
|
coordinate |
One of the two numbers in an ordered number pair |