From the following table, determine if x and y are in direct proportion or not.

What is direct Proportion

Both x and y are in direct proportion, then 1/x and 1/y are

Determine if the following are in proportion. 4, 6, 8, 12

Consider the following statements : 1. If x is directly proportional to z and y is directly proportional to z, then (x^(2) - y^(2)) is directly proportional to z^2 . 2. If x is inversely proportional to z and y is inversely proportional to z, then (xy) is inversely proportional to z^2 . Which of the above statements is/are correct?

Determine if the following are in proportion : 4: 6, 8 :12

Consider the following table : How are x and y related ?

From the following data, determine Karl Pearson's coefficient of correlation between X and Y series for 15 pairs .

Determine if the following are in proportion. 24, 28, 36, 48

Determine if the following are in proportion. 32, 48, 70, 210

Determine if the following are in proportion. 15, 45, 40, 120