### Home > CAAC > Chapter 7 > Lesson 7.2.1 > Problem 7-57

7-57.

How many tiles are in Figures 1 and 2? What is the difference?

Since *x* represents the figure number, find *y* when *x* = 0.

If Figure 0 has 16 tiles, how many tiles would Figures 2 and 3 have?

Where would these points be on the graph?