Across
- 3. A letter that represents an unknown number
- 5. The horizontal line on a graph
- 8. The vertical line on a graph
- 9. Same on both sides
- 13. Not forming a straight line
- 15. A flip of a slope over a line
Down
- 1. Expressions with variables and exponents
- 2. The difference between highest and lowest values
- 4. A math phrase with numbers, variables, and operations
- 6. When a graph crosses the Y axis
- 7. A number showing part of a whole, like 1/2
- 10. The average
- 11. The number that appears most often
- 12. How steep a line is
- 14. The middle value in a list