Proportion Flashcards
1
Q
When are 2 quantities in direct proportion?
A
When they increase at the same rate
2
Q
When are 2 quantities in inverse proportion
A
when one increases at the same rate as the other decreases
3
Q
How can you write y is directly proportional to x?
A
y = kx
4
Q
How can you write y is inversely proportional to x?
A
y = k/x
5
Q
How can you write y is directly proportional to the square of x?
A
y = kx²
6
Q
How can you write y is directly proportional to the cube of x?
A
y = k³
7
Q
How can you write y is directly proportional to the square root of x?
A
y = k√x
8
Q
How can you write y is inversely proportional to the square of x?
A
y = k/x²
