### Home > AC > Chapter 7 > Lesson 7.1.1 > Problem 7-4

7-4.

tile | tile | |

tile | tile | |

tile | tile |

Figure 1

tile | tile | tile | tile | |

tile | tile | tile | ||

tile | tile | tile | tile |

Figure 2

tile | tile | tile | tile | tile | tile | |

tile | tile | tile | tile | |||

tile | tile | tile | tile | tile | tile |

Figure 3

On graph paper, draw Figure 0 and Figure 4.

Use the eTool below to complete the tile pattern for Figure 0 and Figure 4.

Click the link at right for a full version of the eTool:*7-4 HW eTool*How many tiles will Figure 10 have?

**Justify**your answer.

Find the equation for the pattern. Making a table can be helpful.

How many tiles does the pattern grow by in each figure?