Across
- 4. eliminating a variable to solve for x or y
- 6. one or infinite solutions
- 7. no solution (parallel)
- 8. either parallel or crossing once
- 9. plotting two equations on a graph and seeing where they cross
Down
- 1. infinite solutions
- 2. substituting a variable to solve for x or y
- 3. y-y1=m(x-x1)
- 5. y=mx+b form
- 10. the x and y plane