Look at the graph in Part 1. How can you visually determine the slope of the line?
Choose two points and find the
What is the rise of the line? What is the run?
Answers may vary; some students may choose points that are far apart, so their rise and run may be larger than others. Possible answer: The rise is
What is the slope of the line? What does it represent in the context?
How can you use the points in Part 2 to calculate the slope of line
Use the slope formula.
What is the slope formula?
What is the slope of line
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