Across
- 4. in order to solve the equation we need to ___ the variable
- 5. Operations that undo each other; adition and subtraction, or multiplication.
- 10. A symbol (usually a letter) that represents an unknown quantity.
- 11. questions that require translating sentences to equations, then solving those equations
- 13. a number multiplied by a variable
- 14. To find the value of an algebraic expression by substituting a number for a variable.
- 15. The ____ states that if you add the same number to both sides of an equation, the new equation will have the same solution.
Down
- 1. An expression that contains at least one variable. It usually contains constants and operations.
- 2. states that if you multiply the same number to both sides of an equation, the new equation will have the same solution.
- 3. A value in an expression that does not change.
- 6. To find the value of the variable to make the equation true.
- 7. an equation which consists primarily of letters.
- 8. A mathematical sentence that shows that two expressions are equal.
- 9. states that if you subract the same number to both sides of an equation, the new equation will have the same solution.
- 12. states that if you divide the same number to both sides of an equation be the nonzero number, the new equation will have the same solution.