Across
- 3. A type of function that produces a straight line
- 4. A method for solving systems by replacing a variable
- 5. The region that represents all solutions of an inequality
- 6. The point where a graph crosses an axis
- 10. A system with exactly one solution
- 11. A relation where each input has exactly one output
- 13. A symbol that represents an unknown value
- 15. A system with no solution
- 18. A system that has at least one solution
- 20. The rate of change in a linear relationship
Down
- 1. A system with infinitely many solutions
- 2. A comparison between two expressions using <, >, ≤, or ≥
- 6. The point where two lines meet
- 7. A method for solving systems by adding equations
- 8. The opposite operation used to solve equations
- 9. To multiply a number across terms inside parentheses
- 12. A value that does not change
- 14. A set of two or more equations or inequalities
- 16. The number multiplying a variable
- 17. A mathematical statement showing two expressions are equal
- 19. A value that makes an equation true