Algebra Bell work 2/4/2025

3 companies provide cleaning services. Suds uses a function of y = 15x + 85. Polished charges a flat fee of $65 and $20 per hour. Soapsters uses the equation 3y = 60x + 54.

Damon chooses the company with the highest rate of change. What company did he choose?

• Polished

• Soapsters

• Suds

• Polished and Soapsters

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Tags

CCSS.HSA.CED.A.4

• No solution

• Undefined

• Infinitely many solutions

• One solution

Tags

CCSS.8.EE.C.8B

Ashleigh was given the table. Which of these functions is an exponential function? ​ (a)  

Write the equation for Function A: ​ (b)  

Write the equation for Function B: ​ (c)  

• Function A
• Function B

Tags

CCSS.HSF-LE.A.1A

At a college bookstore, Carla purchased 2 math textbooks and a notebook that cost a total of $178.95, not including tax. Ben purchased a math textbook and 3 notebooks that cost a total of $101.85.

Which system of linear equations could be used to determine the price of a math textbook and a notebook?

Tags

CCSS.HSA.CED.A.3

Which situations have constant rates of change? Select all that apply.

• A sprinter cuts their running time by 1/5 every day.

• The population of Calculon doubles every century.

• A car travels 145 miles in 2 hours.

• A second hand on a clock moves 60 times every minute.

• Fish in a pond decrease by 15% every month.

Tags

CCSS.HSF-LE.A.1B

• exponential growth
• exponential decay
• growth factor
• decay factor
• growth rate
• decay rate
• 18

Tags

CCSS.HSF-IF.C.8B

A large asteroid crashed into a moon of a planet causing several boulders from the moon to be propelled into space toward the planet. Astronomers were able to measure the speed of one of the projectiles. The distance (in feet) that the projectile traveled each second, starting with the first second, was given by the arithmetic sequence 32, 36, 40, 44, 48, ... Find the total distance that the projectile traveled in nine seconds.

• 324 feet

• 396 feet

• 432 feet

• 468 feet

Tags

CCSS.HSF.BF.A.2