Ch. 5 Vocabulary

2. a relationship in which for every x units of one quantity there are y units of another quantity.
3. the speed stays the same over time.
5. a rule that uses symbols to relate quantities.
6. a segment that passes through the center and has both endpoints on the circle.
10. a rate that compares equivalent measures.
11. (π) the ratio of the circumference of a circle to its diameter.
13. quantity that changes or varies, often represented with a letter.
14. the answer of a division problem.
17. a things that represents or stands for something else, especially a material object representing something abstract.
19. the quantities x and y in a ratio.
21. a part of a whole.

1. a statement that two ratios are equal.
4. fractions that are of equal value.
7. ratios that express the same relationship.
8. a unit rate that gives the price of one item.
9. a rate in which the comparison is to 1 unit.
10. estimate, measure, or note the similarity or dissimilarity between.
12. convert measures by including measurement units when you multiply by a conversion factor.
15. organizing data into rows and columns.
16. capable of being divided into.
18. the distance around the circle.
20. a special type of ratio that compares quantities with unlike units of measure.