Which table has a constant of proportionality between yyy and xxx of 101010? Choose 1
Choose 1

(Choice A, Checked, Incorrect)
INCORRECT (SELECTED)
xxx yyy
222 202020
121212 132132132
222222 220220220
This table does not show a proportional relationship, so it does not have a constant of proportionality.

(Choice B)
B
xxx yyy
555 202020
777 303030
101010 404040

(Choice C)
C
xxx yyy
999 909090
141414 140140140
242424 240240240
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Only table C shows proportional relationship

Step by Step Explanation:

Given

Tables A, B an C

Required

Which table shows proportional relationship?

In table A .

x = 2 and y = 20

k = 20/2

k = 10

Also, x = 12, y = 132

k =. 132/12.

k = 11

Both values of k are not equal.

Hence, the table is not proportional

In table B

x = 5 and y = 20

k = 20/5

k = 4

Also, x = 7, y = 30

k =. 30/7

k = 4.29

Both values of k are not equal.

Hence, the table is not proportional

In table C

x = 9 and y = 90

k = 90/9

k = 10

Also, x = 14, y = 140

k =. 140/14

k = 10

Also, x = 24, y = 240

k =. 240/24

k = 10

All values of k are equal.

Hence, the table is proportional

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