Proportion

Question 1

When are 2 quantities in direct proportion?

Answer 1

When they increase at the same rate

Question 2

When are 2 quantities in inverse proportion

Answer 2

when one increases at the same rate as the other decreases

Question 3

How can you write y is directly proportional to x?

Answer 3

y = kx

Question 4

How can you write y is inversely proportional to x?

Answer 4

y = k/x

Question 5

How can you write y is directly proportional to the square of x?

Answer 5

y = kx²

Question 6

How can you write y is directly proportional to the cube of x?

Answer 6

y = k³

Question 7

How can you write y is directly proportional to the square root of x?

Answer 7

y = k√x

Question 8

How can you write y is inversely proportional to the square of x?

Answer 8

y = k/x²