Unit 4

4. Two values compared creating a unit rate.
10. A ratio that compares two quantities expressed in two different units.
11. The payment for the use of money borrowed that is calculated by multiplying the principal by the rate by the time (number of years).
12. A set of two numbers arranged in a particular order, normally written as (1st-number, 2nd-number), in which both the order and the values have agreed-upon meanings. (x,y)
14. An amount of money that is equal to a percent of the purchase price. Sales tax is charged by the government to raise money in order to support public services.
15. the amount or number of a material or immaterial thing not usually estimated by spatial measurement.
16. A fee (either a fixed amount or a percentage) paid to a person for making a sale or for work done.
18. a payment made to a professional person or to a professional or public body in exchange for advice or services.
20. Usually the vertical axis in a Cartesian coordinate system.

1. Unit Rate and a Ratio are both considered ________.
2. A plane formed by two intersecting and perpendicular number lines used to help locate the position of any point on a map or graph.
3. Collection of information organized in rows and columns for easy retrieval.
5. Numbers that represent the same comparisons.
6. The price difference between the retail price and the wholesale price to make a profit.
7. A mathematical statement that represents the equality of two expressions involving either constants, variable(s), or both.
8. measure of percent change, which is the extent to which a variable loses value.
9. measure of percent change, which is the extent to which a variable gains value.
13. a tip given to a waiter, taxicab driver, etc.
17. a reduction in price.
19. Usually the horizontal axis in a Cartesian coordinate system.