Lesson 2.2.1 Flashcards
1
Q
ratio
A
a comparison of two quantities by division
2
Q
proportion
A
a statement that two ratios are equivalent
3
Q
rate
A
a ratio of two quantities with different units
4
Q
unit rate
A
a rate with a second quantity of 1 unit.
5
Q
conversion factor
A
a rate in which the two quantities are equal but use different units
6
Q
crossed proportion
A
the proportion a/b = c/d , the products a · d and b · c crossed proportions
7
Q
scale
A
a ratio between two sets of measurements
8
Q
scale drawing or scale model
A
uses a scale to represent an object as smaller or larger than the actual object
