Algebra

2. Repeating pattern or shape.
4. An expression or equation in which the highest power of a variable has exponent 2
6. an expression used to compute a value
8. the change of y over the change of x
9. Each of the four sections of a coordinate plane made by the intersecting x- and y-axes
10. a constant that a variable or expressions multiplied by
13. the distance a number is from zero
14. in a power, the number of times the base is multiplied by itself
15. A straight line, or an equation or expression whose graph is a straight line.

1. A sum of monomials
3. Two lines are parallel if they always have the same distance between them, so they never intersect.
5. a single fixed number
7. A number that a variable or expression can equal
11. a whole number or the negative of a whole number
12. The set of outputs (y-coordinates) of a relation or function.