Algebra Crossword

2. two lines with a common endpoint
4. A graph of data points, usually from an experiment, that is used to observe the relationship between two variables.
5. A sentence that states one expression is greater than or equal to, less than, less than or equal to another expression
6. The perimeter of a circle
8. A straight line that is endless in length
9. A transformation that produces the mirror image of a geometric figure
10. The value of x on a graph when y is zero
11. The inside region of a two-dimensional figure measured in square units
12. The middle point of a set
15. The numbers in the set
17. A mathematical sentence that equates one expression
18. The point at which two lines meet
19. An action that cancels a previously applied action

1. Any part of a whole
3. an expression, rule, or law that defines a relationship between one variable
4. When a line can be drawn through the center of a figure such that the two halves are congruent.
7. Numbers that correspond to points on a graph in the form (x , y)
13. The common endpoint from which two rays begin
14. The value of y on a graph when x is zero
16. A collection of numbers, symbols, and/or operation signs that stands for a number