Does this graph show a proportional relationship? How do you know?
Yes, because it is a straight line and it goes through the origin.
What is the constant of proportionality? What does it represent in this situation?
12. It represents how much money Tanya earns per hour babysitting.
Is this relation a function? How do you know?
Yes, because each input (
How much does Tanya earn when she works for 6 hours? How do you know?
$72. Using the graph, locate 6 hours on the
What is the slope? How do you know? Is the slope the same for any 2 points?
The slope is 12. Choose 2 points and find the
What do you notice about the slope and the constant of proportionality?
They are the same.
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