Across
- 2. What we can do with an equation with 2 variables to find all of the solutions
- 9. two lines intersecting at 90 degrees
- 10. the slope of a horizontal line
- 12. the slope of a vertical line
- 14. triangles that are the same size and shape
- 17. two angles that are opposite each other when 2 lines intersect
- 18. the slope of a line going down from left to right
- 19. describes the slant of a line on the coordinate plane
- 21. two angles whose sum is 90
- 22. can sometimes be simplified but cannot be solved
Down
- 1. a pair of angles that are translations of each other
- 3. two angles whose sum is 180
- 4. the 4 angles between 2 parallel lines
- 5. each x value has only 1 y value
- 6. contains an equal sign
- 7. finding the value of an expression
- 8. coplanar lines that go on forever without intersecting
- 11. the slope of a line going up from left to right
- 13. the 4 angles that are not between the two parallel lines
- 15. this line has a slope of zero
- 16. the process of finding the unknown in an equation
- 20. A type of function that graphs a straight line