Ch. 5 Vocabulary

3. a rule that uses symbols to relate quantities.
4. a statement that two ratios are equal.
8. capable of being divided into.
9. the quantities x and y in a ratio.
12. a quantity that changes or varies, often represented with a letter.
13. rate: a rate in which the comparison is to 1 unit.
14. speed: the speed stays the same over time.
15. the distance around the circle.
17. the answer of a division problem.
19. organizing data into rows and columns.
22. analysis: convert measures by including measurement units when you multiply by a conversion factor.

1. estimate, measure, or note the similarity or dissimilarity between.
2. factor: a rate that compares equivalent measures.
5. a special type of ratio that compares quantities with unlike units of measure.
6. a things that represents or stands for something else, especially a material object representing something abstract.
7. (π): the ratio of the circumference of a circle to its diameter.
10. fractions: fractions that are of equal value.
11. a part of a whole.
16. a relationship in which for every x units of one quantity there are y units of another quantity.
18. ratios: ratios that express the same relationship.
20. price: a unit rate that gives the price of one item.
21. a segment that passes through the center and has both endpoints on the circle.