Across
- 3. -is a letter used to represent one or more numbers
- 4. of operations -to evaluate an expression involving more than one operation
- 7. model -describes a real world situation using words as labels and using math symbols to relate the words
- 8. expression -or variable expression, consists of numbers, variable, and operations
- 11. -an inequality is an open sentence that contains one of the symbols <,<,>, or >
- 13. -the exponent represents the number of times the base is used as a factor
- 14. -is a fraction that compares two quantities measured in different units
- 15. -when you pump gas the total cost depends on the number of gallons
Down
- 1. -is an equation that relates two or more quantities
- 2. is an expression that represents repeated multiplication of the same factor
- 5. range -a set called the domain containing numbers called inputs and a set called the range containing numbers called outputs.
- 6. of an equation -when you substitute a number for the variable in an open sentence like x+2=5 or 2y>6, the resulting statement is either true or false
- 9. -is an open sentence that contains the symbol=.
- 10. -a power can be written in a form using two numbers
- 12. sentence -is a mathematical statement that contains two algebraic expressions and a symbol that compares them
- 16. rate -if the denominator of the fraction is 1 unit, the rate is called a unit rate.