How many different variables are in the equation in Part 1?
What is a step you could do first to solve this equation?
Answers vary; students could say to subtract
Solve the equation for
Does this equation have more than one solution? Why or why not?
No; there is only one value of
Look at Part 2. How many variables are in the table?
Does the table represent a proportional relationship? How do you know?
Yes; it contains the point
How can you create a graph for this table? What will the graph look like?
Graph each of the ordered pairs listed in the table; the graph will contain three points.
What will you get if you connect the points on the graph?
A straight line that has a slope of
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