Across
- 1. a letter that represents an unknown number
- 3. an equation solved using one operation
- 4. a visual representation of an equation
- 7. to get the variable by itself on one side of an equation
- 10. a point where a line crosses an axis
- 13. an equation that shows a rule or relationship
- 14. to find the value of the variable that makes an equation true
- 17. the value that makes an equation true
- 18. a pair of numbers that locate a point on a graph
- 20. an equation solved using two operations
- 22. to find the value of an expression
- 24. describes an equation whose graph is a straight line
- 26. the state of two amounts being the same
- 27. a property that allows multiplication across parentheses
- 28. a part of an expression separated by addition or subtraction
- 29. a number that does not change in an expression or equation
Down
- 1. an expression that includes a variable
- 2. a mathematical action such as addition or multiplication
- 5. to keep both sides of an equation equal
- 6. the rate of change of a line
- 8. a mathematical phrase with numbers and variables but no equals sign
- 9. a mathematical statement showing values are not equal
- 11. to replace a variable with a number
- 12. the number multiplied by a variable
- 15. to rewrite an expression in a simpler form
- 16. an operation that undoes another operation
- 19. equal in value even if written differently
- 21. terms with the same variable and exponent
- 23. the point where the axes intersect
- 25. a mathematical statement showing two expressions are equal