| A | B |
|---|
| variable | a symbol, usually a letter, that represents one or more numbers |
| algebraic expression | a mathematical phrase that can contain numbers, variables and operation symbols |
| equation | a mathematical sentence that uses an equal sign |
| open sentence | an equation that contains one or more variables |
| simplify | replace an expression with its simplest anme or form |
| exponent | a number that shows repeated multiplication |
| base | a number that is multiplied repeatedly |
| power | The base and the exponent of an expression of the form a^n |
| order of operations | PEMDAS - the order in which operations are performed |
| evaluate | substitute a given number for each variable |
| solution of an equation | any value or values that make an equation true |
| equivalent equations | equations that have the same solution |
| inverse operations | operations that undo one another |
| term | a number, variable or the product or quotient of a number and one or more variables |
| constant | a term that has no variable factor |
| coefficient | the numerical factor when a term has a variable |
| like terms | terms with exactly the same variable factors in a variable expression |
| coordinate plane | a plane formed by two number lines that intersect at right angles |
| origin | the point at which the axes of the coordinate plane intersect |
| quadrants | the four parts into which the coordinate plane is divided by its axes |
| ordered pair | two numbers that identify the location of a point |
| coordinates | the numbers that make an ordered pair and identify the location of a point |
| scatter plot | a graph that relates data of two different sets |
| positive correlation | the relationship between two sets of data in which both sets of data increase together |
| negative correlation | the relationship between two sets of data where one set decreases as the other set of data increases |
