Linear Functions Math

• Start at the y-intercept (0, 2) and then count a rise of 1 and a run of 3 to get the next points.

• Start at the y-intercept (0, 2) and then count a rise of 3 and a run of 1 to get the next points.

What is the slope and y-intercept of the line whose equation is -7x + 2y = 18?

The table shows the total cost for renting snorkeling gear at the beach. You must pay an initial deposit and then pay an hourly fee for renting the equipment. Which equation represents this function?

• y = 6x + 21

• y = 6x + 15

• A

• B

• C

• D

Fingernails grow at a rate of 3.5 mm (y) per month (x). How long would your fingernails grow in 3 months?

• 10.5 mm

• 3.5 mm

• 7 mm

• 14 mm

The diagram shows a linear function of g. What is the value of k.

• 5

• 4

• 7

• 8

The table shows the total cost for renting snorkeling gear at the beach. You must pay an initial deposit and then pay an hourly fee for renting the equipment.

a. Write an equation to represent this function.

b. What is the rate of change and what does it represent in the context of the problem?

c. What is the initial value and what does it represent in the context of the problem?

How is the equation written in slope-intercept form?

How is the equation written in slope-intercept form?

Which is the correct graph of 3y = -6x + 12?

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