Does the table represent a proportional relationship between x and y? How do you know?
Yes because the ratios between x and y are equivalent.
If you graphed these points and connected them, what would the graph look like?
A straight line that begins at the origin.
What is the rate of change? How do you know?
5 because the rate of change is the change in y-values divided by the change in x-values.
Does it matter which ordered pairs you use to calculate the slope? Why or why not?
No because the slope will be constant for the line.
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