Exponential Growth and Decay: Intro to Word Problems

What does P stand for here, and what can it mean?

(there's more than one 😎)

• starting amount

• initial value

• principal

• total amount

• y-intercept on a graph

Tags

CCSS.HSF.LE.B.5

What does r represent?

• interest rate

• time

• principal

• total amount

What does t represent?

• interest rate

• time

• principal

• total amount

What does n represent?

• interest rate

• time

• number of times per year

• total amount

Change 6.75% to a decimal.

• 67.5
• .675
• 675
• .0675

Bi-Annually means how many times a year?

• 4 times a year
• 1 time a year
• 2 times a year
• 12 times a year

Tags

CCSS.HSF-LE.A.1C

Write an equation/model for the following scenario:

Rapunzel'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.

Tags

CCSS.HSF.LE.A.2

Write an equation/model for the following scenario:

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%.

How much will the printer be worth in 8 years?

Tags

CCSS.HSF.LE.A.2

Bruno was given $2000 at birth . His parents invested it at a 2% interest rate compounded bi-annually.

No deposits or withdrawals were made.

Which expression can be used to determine how much money Bruno had in the account when he turned 13?

Answer explanation

On a scale of 0-4, how confident are you feeling with what we learned today?

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Tags

CCSS.8.EE.C.7B