# 1.2: Ratio and Proportion Flashcards
1
Q
It used to compare two or more quantities with the same unit.
A
Ratio
2
Q
Rule of ratio: For every unit of the _______ there is a corresponding unit of the _______.
A
- first number, 2. second number
3
Q
3 ways to write ratio
A
a to b, a:b, & a/b
4
Q
What is rate?
A
It is a ratio with different units in the numerator and in the denominator.
5
Q
It states that two ratios are equivalent.
A
Proportion
6
Q
Unknown quantities can be solved by doing _____________.
A
cross multiplication
7
Q
3 classifications of proportion
A
Direct, Inverse, and Partitive
8
Q
Direct: As a quantity increases, the other quantity _______.
A
increases
9
Q
Inverse: As a quantity increases, the other quantity _______.
A
decreases
10
Q
It is when a certain whole is divided into several shares following a certain ratio.
A
Partitive proportion
