S1 Final Exam Review

Bob's Plumbing charges $25 per hour plus a service fee of $40 for coming out to your house. Which equation models this situation?

• y = 25x + 40

• y = 40x + 25

• y = 25x

• y = 25x - 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles.
y=0.5x+10
What does the slope of the graph of this equation represent?

• The daily fee for the moving truck
• The per-mile fee for the moving truck
• How much Charlie paid for the truck
• The number of miles he drove

Tags

CCSS.HSF.LE.B.5

A total of 13 cars and vans transported 122 students on a field trip. Each car held 8 students , and each van held 14 students. How many cars were used?

• 8 cars

• 2 cars

• 10 cars

• 12 cars

Tags

CCSS.8.EE.C.8C

A skateboard company charges a deposit of $250.00 and a basic rate of $45.00 per hour. A linear model is written where is the number of rental hours and y is the total cost of the rental. What is the slope of the model.

• 250

• 205

• 300

• 45

Tags

CCSS.HSF.LE.B.5

What is the end behavior of the function

•  x →∞, y→⁻∞ and x →⁻∞,y→⁻∞
• x →∞, y→∞ and x→⁻∞, y→∞
• x →∞, y→∞ and x→⁻∞, y→2
•  x →∞,y→2 and x→⁻∞, y→∞

What is the value of the x-coordinate of the solution to the system of equations

x - 2y = 1

x + 4y = 7

• 1

• -1

• 3

• 4

Tags

CCSS.HSA.REI.C.9

Write an equation that models the following situation:

Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

(HINT: Write out the equation on a separate piece of paper and hen simplify inside the parenthesis)

• y=6(0.14)^x

• y=6(1+14)^x

• y=6(1.14)^x

• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x
• y=15,000(1.08)^x
• y=15,000(0.92)^x
• y=15,000(0.08)^x

Tags

CCSS.HSF.LE.A.2

You bought a Boston Whaler in 2004 for $12,500. The boat's value depreciates by 7% a year. How much is the boat worth in 2012?

• $11625
• $6994.77
• $21,477
• $875

Tags

CCSS.HSF.BF.A.2

Find the rate of change.

• -3/4

• 4/3

• 3/4

• -4/3

Tags

CCSS.HSF-LE.A.1B