Directions: Use the numbers 1 through 9, at most one time each, to create a table of values that represent a linear function.

### Hint

### Hint

What has to happen for a table to show a linear relationship? What has to happen for a table to NOT show a linear relationship?

### Answer

### Answer

Here are two possible solutions. The first number is the x-value and the second number is the y-value.

Solution 1

1 2

3 4

5 6

7 8

Solution 2

1 5

2 6

3 7

4 8

Source: Robert Kaplinsky

Can we swap x and y and create two more solutions?

You most certainly can, in fact it’s quite encouraged.