Understanding graphs of linear relationships

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Examples

Lessons

The graph below shows the cost of chocolate bars.

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1. Describe the patterns represented on the graph.
2. Create a table of values from the graph.
3. From the graph, estimate the cost of 12 chocolate bars.
4. It is reasonable to add a point between the ones on the graph? Why or why not?
The graph shows the distance a car travels.

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1. What does (180, 3) represent?
2. What is the speed of the car at point A?
3. Is the graph showing a linear relationship? Why or why not?
4. It is reasonable to add a point between the ones on the graph? Explain.

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