Graphing a Linear Relationship
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by C. Senger
| 8 Questions
Tasha's cell phone plan has a $20 start up fee and then it is $15 per month. Complete the table below for the first 4 months and then graph the relationship.
1
1
Fill in the table below.
2
1
What is the slope of the table?
1/15
15
10
1/10
3
1
What does the slope represent in this situation?
4
1
Graph the relationship using your table.
5
1
What is the y-intercept?
(0, 15)
(15, 0)
(0, 20)
(20, 0)
6
1
What does the y-intercept mean in this situation?
7
1
What is the equation for this linear relationship?
y = 15x + 20
y = 20x + 15
y = 35x
y = 15x
8
1
This situation represents a proportional relationship.
True
False
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