Math 8 - Q3 Extra Credit

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x

• y=15x+80

• y=x+15

• y=80x+15

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Which of the following is a solution to the equation
2x + 3y = 12

• (0, 3)

• (3, 2)

• (2, 0)

• (-1, -4)

Give the x-intercept
3x + 8y = 24

• (8, 0)

• (0, 8)

• (3, 0)

• (0, 3)

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

What does the slope mean in this situation?

• 2 gallons of water leaves per minute

• 1 gallons of water leaves per minute

• 2 gallons of water leaves every 2 minutes

• 2 gallons of water comes into the tank per minute

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for renting 9 movies?

• Beth's service is cheaper (Beth charges $42 vs. Nate charges $45)

• Nate’s service is cheaper (Nate charges $42 vs. Beth charges $45) 

• Nate’s service is cheaper (Nate charges $36 vs. Beth charges $45)

• Beth's service is cheaper (Nate charges $45 while she charges $36) 

Which company pays the most per pizza?

• Bombinoe's Pizza

• Little Squeezer's Pizza

• Pizza Tent

• Papa Ron's

Which equation has the smallest rate of change? 

• y=3x + 3

• y=-3x + 3

• y=(1/3)(x)

• y=3x

Marco runs at a constant speed. The distance he runs is a function of the time he spends running. Which rule would represent the linear function if Marco runs 2 miles in 15 minutes?

• y = 7.5 x

• y = $\frac{2}{15}$ x

• y = 15x + 2

• y = 2x +15