directly proportional- if other increases, the other also increases. if other decreases, the other also decreases. what happens on the other also happens on the other.
inversely proportional- if other increases, other decreases or vice versa. what happens on the other is opposite on what happens on the other.
Answers & Comments
Answer:
2. directly proportional
3. inversely proportional
4. inversely proportional
Step-by-step explanation:
directly proportional- if other increases, the other also increases. if other decreases, the other also decreases. what happens on the other also happens on the other.
inversely proportional- if other increases, other decreases or vice versa. what happens on the other is opposite on what happens on the other.
In short:
directly proportional - up-up, down-down
inversely proportional - up-down, down-up