Proportional and Additive Relationships SOL 7.10a-e

A line contains the points represented by this table of values.

What is the slope (m), of the line passing through these points?

Jake washes cars.

On Monday he washed 18 cars for $90.

On Tuesday he washed 9 cars for $45.

On Wednesday he washed 12 cars for $60.

What is the rate of change of Jake’s earnings?

• 5

• 4

What is the slope, of the line passing through these points?

• 5

• 6

Devin mows lawns for several days. He charges $12 per lawn.

Let x represent the number of lawns Devin mows.

Let y represent the total amount Devin earns.

Which equation best represents this situation?

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