Question

22. From the given table, determine if x and y are in direct proportion or not.
x
3
6
15
20
у
12
24
45
60​

Answer 1

Answer:

For table (i)

y

x

=

12

3

,

24

6

,

45

15

,

60

20

,

120

30

⇒

4

1

,

4

1

,

3

1

,

3

1

,

4

1

Answer 2

Step-by-step explanation:

• x = 3 , y = 12
• x / y = k
• 3 / 12 = 1/4
• x = 6 , y = 24
• x / y = k
• 6 / 24 = 1 / 4
• x = 15 , y = 45
• 15 / 45 = 1 / 4
• x = 20 , y = 60
• 20 / 60 = 1 / 4

Therefore, we got k as a constant value so this table is in direct proportion