Algebra Bell work 2/12/2025

3 flooring stores provide services in Hernando. Floors Galore charges $8.50 a square foot plus a fee of $125. Tiles & More charges a $40 fee and $7.75 a square foot. Perfect Floors uses the equation 2y = 15.5x + 135.

Andrea chooses the company with the greatest rate of change. What company did she choose?

• Floors Galore

• Perfect Floors

• Tiles & More

• Both Tiles & More and Perfect Floors

State the type of solution set the system of equations will produce.

12x - 16y = 40

2.4x = 3.2y + 8

• No solution

• Undefined

• Infinitely many solutions

• One solution

Mathematical Equivalence

OFF

Mathematical Equivalence

ON

Leia was given the table provided.

Which of these functions is an exponential function?

(a)  

Function A equation: ​ (b)  

Function B equation: ​ ​ (c)  

• Function A

• Function B

There were 41 tickets for an event. Tickets cost $1.50 for children and $2.00 for adults. Total receipts for the event were $73.50.

How many tickets of each were bought?

Which situations represent an exponential function? Select all that apply.

• Every 10 students pay $600.

• A texting plan costs $30 a month, including 400 free texts. After 400, 0.10 for each text message.

• The value of a car depreciates at a rate of 12.5% each year.

• Every 5 days Ben runs 12 miles.

Use the table to answer the following questions.

Growth/Decay Factor: ​ (a)  

Growth/Decay Rate: ​ (b)  

Initial Value: ​ (c)  

This function is an example of exponential ​ (d)  

• D
• C
• E
• decay
• A
• B
• growth

Barry purchased a basketball signed by Charles Barkley in 1992 for $125.

Write an equation to represent the scenario. If it tripled in value every 7 years, what would it be worth in 2021?