# Representing patterns in linear relations

##### Examples

###### Lessons

- Create a table that shows the relationship between the number of squares and the figure number.
- Determine the equation that represents the relationship.
- Use the equation in b) to find the number of squares in each figure.
- How many squares will there be in figure 14?
- Determine which figure has 84 squares.

- Two identical octagons are attached to each other. All the sides in each octagon have the same length.

- Create a table that shows the number of sides if there are 2,3,4,5 or 6 octagons attached together. Assume each new octagon only attaches to one additional octagon.
- Write an equation to calculate the number of sides based on the number of octagons attached together.
- How many sides will there be when 15 octagons are attached together?
- If there are 84 sides in total, how many octagons are attached together?

- Write the linear equation that represents the relationship of each set of numbers.

##### Practice

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###### Topic Notes

In this section, we will learn how to represent patterns in linear relations. In other words, these patterns will form a straight line if they are plotted on a graph paper. We can start with creating a table of values which has the independent variable as X, and dependent variable as Y. One way to represent patterns in linear relations is to use the slope-intercept form.

###### Basic Concepts

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