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

Question

From the following table, determine if x and y are in direct proportion or not. (i) (ii) (iii)

Philoid · Accepted Answer

In direct proportion, = k(constant)

For table (a),

⇒

i.e.

So, (a) is not in direct proportion.

For table b,

⇒

i.e.

So, (b) is in direct proportion.

For table (c)

⇒

i.e.

so, (c) is in direct proportion.