IM Algebra Unit 5 Review

The growth factor for this table is 

• 8
• 4
• 100
• 2

What is the growth factor if a population increases by 3% every year?

• 1.3

• 1.03

• 3

• 1.003

What is the growth factor if a population decreases by 4% every year?

• 0.96

• 1.04

• 0.04

• 1.96

What formula shows how to calculate the population of a 45,000 person town with 5% growth rate in 3 years?

• 45,000(1.05)⁶

• 45,000(0.05)

• 45,000(1.05)(3)

• 45,000(1.05)

• 45,000(1.05)³

What formula shows how to calculate the fish population of a tank with 2,000 fish with 7% growth rate in 2 years?

• 2,000(1.07)(2)

• 2,000(1.07)²

• 2,000(0.07)

• 2,000(1.07)

What formula shows how to calculate the population of a 100,000 alien city on Saturn with a 3% growth rate in 4 years?

• 100,000(1.03)

• 100,000(1.03)⁴

• 100,000(0.03)

• 100,000(1.03)(4)

What formula shows how to calculate the population of a 5,000 Iowa town with a 2% decay rate in 6 years?

• 5,000(0.98)⁶

• 5,000(1.06)²

• 1.02(5,000)⁶

• 5,000(0.98)⁴

• 6(0.98)¹⁰²

What formula shows how to calculate the population of a 20,000 suburb with a 10% decay rate in 3 years?

• 20,000(0.90)³

• 20,000(0.90)(3)

• 20,000(1.10)

• 20,000(0.10)³

What interest would be paid monthly if an account with an annual interest rate of 36% were compounded monthly?

• 12/0.36

• 0.36

• 12(0.36)

• 0.36/12

• 0.12

What interest would be paid if an account with an annual interest rate of 36% were compounded annually?

• 12

• 0.36/12

• 0.36

• 12(0.36)