6-7 Interpret Linear Relationships

Reorder

Reorder the following

• Find slope & y-intercept

• Graph y-intercept

  (0, b)

• Use slope to find

  2nd point

• Draw the line through the points

1

2

3

4

• 1
• 2
• 3
• 4

Open Ended

Check:

The total cost y of a phone plan for x number of months can be represented by the equation y = 75x + 100.

Part A Find and interpret the rate of change.

Open Ended

Check:

The total cost y of a phone plan for x number of months can be represented by the equation y = 75x + 100.

Part B Find and interpret the inital value.

Open Ended

Check:

A conference center charges an initial deposit plus an hourly rate for renting the space for an event or party. The total cost for different numbers of hours, including the deposit, is shown in the graph.

Part A Find and interpret the rate of change.

Open Ended

Check:

A conference center charges an initial deposit plus an hourly rate for renting the space for an event or party. The total cost for different numbers of hours, including the deposit, is shown in the graph.

Part B Find and interpret the inital value.

Open Ended

Check:

Julie is tracking the growth of a plant for a science project. The height of the plant on the 2nd day she measured was 8 inches and on the 7th day it was 20.5 inches. Assume the relationship is linear.

Part A Find and interpret the rate of change.

Open Ended

Check:

Julie is tracking the growth of a plant for a science project. The height of the plant on the 2nd day she measured was 8 inches and on the 7th day it was 20.5 inches. Assume the relationship is linear.

Part B Find and interpret the inital value.

Open Ended

Check:

Julie is tracking the growth of a plant for a science project. The height of the plant on the 2nd day she measured was 8 inches and on the 7th day it was 20.5 inches. Assume the relationship is linear.

Part A Find and interpret the rate of change.

Open Ended

Check:

The table shows the cost of a smartphone plan, based on the data used per month. Assume the relationship between the two quantities is linear.

Part B Find and interpret the inital value.