Across
- 1. a set of two or more equations involving the same variables
- 5. terms in an algebraic expression that have the same variables raised to the same powers
- 7. the set of all solutions to an equation or inequality
- 9. an equation that can be written in the form ax+b=0, where a and b are constants and x is a variable
- 10. adding or subtracting equations to eliminate one variable
- 11. a method for solving systems of equations by substituting one equation into another to eliminate on variable
- 12. a value that makes an equation true when substituted for the variable
- 13. the numerical factor of a term in an algebraic expression
- 14. a mathematical statement that asserts the equality of two expressions
Down
- 2. a mathematical phrase that may contain numbers, variables, operation symbols, and grouping symbols
- 3. a symbol (usually a letter) that is used to represent a quantity that can change
- 4. a mathematical statement that compares the relative size of two expressions using inequality symbols
- 6. an equation that can be written in the form ax^2+bx+c=0, where a b and c are constants, and x is the variable
- 8. a value or set of values that satisfy an equation or inequality
- 13. a term in an algebraic expression that does not contain a variable