Algebra 1 Crossword

2. a symbol that is used in mathematical or logical expressions to represent a variable quantity.
4. the distance a number is from zero on a number line
6. a graph with points plotted to show a possible relationship between two sets of data.
8. a plane that is divided into four regions by the x and y axis.
10. the set of values of the independent variable for which a function is defined.
11. an equation written in the form y=mx+b.
13. probability based on comparing the number of possible favorable outcomes to the number of total possible outcomes.
16. the relationship of the lengths of the sides of a right triangle.
17. an average of n numbers computed by adding some function of numbers and dividing by some function of n.
18. a pair of numbers that can be used to locate a point on a coordinate plane.
20. the x-coordinate of a point where graph crosses the x-axis.

1. natural numbers (counting numbers) and zero; 0,1,2,3...
3. a relationship between variables in which one variable increases as the other variable also increases.
5. a test used to determine whether a relation is a function by checking if a vertical line touches 2 or more points on the graph of a relation.
7. an equation that contains two or more variables.
9. a point or set of points common to two or more geometric configurations.
12. a mathematical phrase involving at least one variable and sometimes numbers and operation symbols
14. numbers that can be written as fractions, including terminating and repeating decimals, and integers
15. all whole numbers (both positive and negative) and zero.
19. a mathematical notation indicating the number of times a quantity is multiplied by itself.