Geometry Unit 1 Crossword #1

2. opposite rays share an _____ and extend in opposite directions
4. "_____" means on the same plane
8. if two lines intersect, they intersect at a _____
10. in math, the point (0,0) is called the _____
11. A ray has one _____ and extends infinitely in one direction
12. the slope of a line indicates how _____ the line is
14. the point where a line crosses the y-axis is called the y-_____
19. if two planes intersect, they intersect at a _____
20. the Greek letter _____ is used to symbolize "change in"
21. a line is an infinite _____ dimensional figure
22. lines can be named using any _____ points on the line
23. A plane can be named by using three points that are _____ on the same line
24. a horizontal line has a slope of _____

1. a _____ line has an undefined slope
3. in a line, if the y-value decreases as the x-value increases, the slope is a _____ number
5. in a line, if the y-value increases as the x-value increases, the slope is a _____ number
6. rise is equal to delta y, and _____ is equal to delta x
7. "_____" means on the same line
9. A point has no _____
13. In each dimension, there are two possible _____
15. a plane is an infinite _____ dimensional figure
16. points are named using _____ letters
17. the Greek letter delta is shaped like a _____
18. slope is equal to _____ over run