Question

Please answer the picture below

Answer 1

C. (The purple/third table)

Explanation:

x always multiplies by 2 to get y.

TIP: In a proportional relationship x always multiplies by the same number in every column.

Answer 2

B, C

Explanation:

You want to identify the tables that show a proportional relationship.

Proportional

The relationship is proportional if the ratio of y to x is the same for all values of x and y.

We can check the first two lines of the table to see if it is worthwhile to check the third.

Table A

y/x = 5/1 ≠ 7/2 . . . not proportional

Table B

y/x = 2/3 = 6/9 = 8/12 . . . . a proportional relationship

Table C

y/x = 8/4 = 14/7 = 18/9 . . . . a proportional relationship

Table D

y/x = 1/2 ≠ 3/3 . . . not proportional

Tables B and C show proportional relationships.

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