Modeling Linear Functions

Which equation represents the line shown in the graph?

• y = (5/3)x

• y = (3/5)x

• y = -(5/3)x

• y = -(3/5)x

What is the slope of this line?

• -3/2

• -2/3

• 2/3

• 3/2

During a snowstorm, snow falls at a constant rate and is recorded by a meteorologist. The data is plotted on the graph below.

• y = 3x + 3

• y = (1/3)x + 3

• y = 3x + 18

• y = (1/3)x + 18

Which coordinate plane represents the linear relationship 4x + 5y = 20?

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Select the equation that represents the graph of the line.

• y = x - 1

• y = (1/2)x - 1

• y = (1/2)x + 2

• y = x + 2

Jackson is tracking how many cups of cat food he has left after feeding his cats each day. He made the following chart.

According to the graph, how many cups of cat food does Jackson have left after 5 days?

• 14 cups

• 13 cups

• 8 cups

• 10 cups

A company charges a fee of $2,000 plus $3 per mile to transport some equipment by truck. Which graph shows the relationship between the number of miles the truck is driven and the cost for transporting the equipment?

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A student makes money by watching the neighbors’ dog. The situation is modeled in the graph below. Which statement correctly describes the relationship between the amount of money the student makes and time in days?

• The student charges $11 plus an additional $20 per day.

• The student charges $20 plus an additional $11 per day.

• The student charges $20 plus an additional $10 per day.

• The student charges $10 plus an additional $20 per day.

Select the ordered pair that is most likely a solution to the equation represented by the graph.

• (−3, 0)

• (0, −2)

• (2, −6)

• (4, −8)

Which table of values can be represented by the function y = 2x + 5 $?

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