What part of the situation in Part 1 should be represented by a variable? How do you know?
The number of weeks; this is what Stanley wants to know.
How can you represent
What expression represents the total amount of money he will have after
So, what equation can you write to represent this situation?
How many weeks will it take for Stanley to have
Look at the graph in Part 2. What type of equation does it represent?
Yes; it lies on the graph of the equation.
Name an ordered pair that is not a solution. How can you tell from the graph?
Answers vary; any ordered pair that does not fall on the curve is not a solution.
How many solutions does the equation have? How do you know?
Infinitely many; there are infinitely many points on the graph.
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