Across
- 2. The horizontal axis
- 4. (x,y)
- 6. The condition when two lines form a right angle in the intersection
- 9. Steepness condition that made line gradually decreasing to the right
- 11. Measure of the steepness of a line
- 12. The name of coordinate system commonly used
- 13. Ax + By + C = 0
Down
- 1. The vertical axis
- 3. Where the two lines meet
- 4. The condition when two lines have same steepness
- 5. Point that denotes the middle of given two points
- 6. Steepness condition that made line gradually increasing to the right
- 7. Other name for steepness of a line
- 8. The imaginary vertical and horizontal line to guide the coordinate
- 10. The step to remove one of the variables to find solution