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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