Across
- 3. y2-y1/x2-x1
- 6. the process of taking a number away from another number
- 7. a shape with 4 angles
- 8. a shape with no angles
- 9. the quality of being unequal and even
Down
- 1. the study of variables
- 2. a number with a numerator and denominator
- 4. 40/20*20
- 5. the action of adding things together