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
Answers
Answered by
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
Answered by
0
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
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