1.
a letter used to represent an unknown number
2.
a mathematical rule expressed in symbols
3.
a mathematical statement comparing two expressions using >,< and =
4.
a relation where an input has an output
7.
a set of two or more equations
9.
a pair of numbers (x,y) used to locate a point on a coordinate plane
10.
translates to "many terms"
11.
expressions or numbers that are multiplied together to get a product