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 .