CPM Homework Help : CAAC Problem 6-85

Figure 2 of a tile pattern is shown below. If the pattern grows linearly and if Figure 5 has 15 tiles, then find a rule for the pattern. 6-85 HW eTool (CPM). Homework Help ✎

6.2.5-85

Step 1:

Make an x, y table with the x values representing the figure number and the y values representing the number of tiles.

Step 2:

Fill in values for x and y. What is the growth?

Step 3:

Work backward. What is the starting point?

Step 4:

Write an equation y = mx + b using the growth and starting point.

Answer:

y = 3x

Hint:

Does this rule work for your table?

Once you find a rule for the pattern use the eTool below to complete the figures.
Click the link at right for the full version of the eTool: AC 6-85 HW eTool.