Question

Identify which table shows a direct variation.

Two tables.
For each table the column headings are x and y.
Table 1 has column one values of 1, 2, 3 and column 2 values of 19, 38, 57.
Table 2 has column 1 values 5, 6, 7 and column 2 values 48, 72, 84.

A.
Table 1 only

B.
Table 2 only

C.
both tables

D.
neither table

Answer 1

Table A only, because as the number goes up one in the x column the number in the y column adds 19 to the previous number