Look at the table. What would the unit rate tell you?
The speed of the sloth in miles per hour.
What is the unit rate?
Is the sloth's speed at
No; if you divide the number of miles by the corresponding number of hours, you get the same rate:
Since you can divide the miles by the corresponding number of hours and get the same value, what do you know about the values in this table?
They are proportional.
What is the constant of proportionality?
What do you notice about the constant of proportionality and the unit rate?
They are the same value.
The constant of proportionality is equal to the rate of change. Which has a greater rate of change: the equation shown in the table or in the graph? How do you know?
The equation in the table, because the graph has a negative rate of change.
Look at the statements. Which statement correctly describes the graph?
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