1. [ ] , [ I ] , [ I I ]

1 room 2 rooms 3 rooms

This diagram shows that a cabin with 1 room has 2 doors, a cabin with 2 rooms has 5 doors, and a cabin with 3 rooms has 8 doors.

Draw the next 2 cabins.

How many doors will a cabin with 10 rooms have?

Write an algebraic equation for this pattern.

2. For the linear relationship y=2x-1 complete the following table of values.

Create a graph representing these values.

Describe a pattern in real life that the linear relation y=2x-1 could represent. Make sure you explain what both x and y represent .

## Monday, May 10, 2010

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