Absolute Change – MATH OUTCOMES Quiz 5

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Absolute Change - MATH OUTCOMES Quiz 5
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Smartphone Depreciates, Models, Relative Change, Data, Absolute Change – Quiz

The key terms in this Math course include Smartphone Depreciates, Models, Absolute Change and Relative Change, Data, Certificate of Deposit (CD), Interest, Compounds, Groceries, Credit Card, APR, Balance, Carry-Over Balance, Finance Charge, MATH OUTCOMES Quiz 5


A $450 smartphone depreciates 12% each year. Which of the following models the value of the phone after t years?

A = .88 t + 450

A = 450 ( 0.88 ) t

A = − 0.12 t + 450

TA = 450 ( 0.12 ) t

A = 450 ( 0.12 ) ( t )


Compute the absolute and relative change for the values below. Use the table to select the appropriate model for the data below.

TimeValueAbsolute ChangeRelative Change
0138.500                                                             
1155.76
2173.02
3190.28

17.26 ( 1.385 ) t

138.5x + 17.26

138.5(x+17.26)

138.5 ( 18.26 ) t

17.26x + 138.5

138.5 ( 17.26 ) t


Lori buys a $535 certificate of deposit (CD) that earns 6.1% interest that compounds monthly.  How much will the CD be worth in 8 years? 

Express your answer rounded correctly to the nearest cent. Do not include units on your answer.

Answer

870.47 margin of error +/- 0.1%


Alexis buys groceries using her credit card.  Her card has an APR of 19.99% and she must pay at least 5% of the balance at the end of each month.  If her carry-over balance for groceries is $440.58, what would her finance charge be at the end of the month?

Round your answer to the nearest cent. Do not include units on your answer.

Answer

7.34


A $450 smartphone depreciates 12% each year. Which of the following models the value of the phone after t years?

A = .88 t + 450

A = 450 ( 0.88 ) t

A = − 0.12 t + 450

DA = 450 ( 0.12 ) t

A = 450 ( 0.12 ) ( t )


Compute the absolute and relative change for the values below. Use the table to select the appropriate model for the data below.

TimeValueAbsolute ChangeRelative Change
0138.500                                                             
1155.76
2173.02
3190.28

17.26 ( 1.385 ) t

138.5x + 17.26

138.5(x+17.26)

138.5 ( 18.26 ) t

17.26x + 138.5

138.5 ( 17.26 ) t


Lori buys a $535 certificate of deposit (CD) that earns 6.1% interest that compounds monthly.  How much will the CD be worth in 8 years? 

Express your answer rounded correctly to the nearest cent. Do not include units on your answer.

Answer

870.47 margin of error +/- 0.1%


Alexis buys groceries using her credit card.  Her card has an APR of 19.99% and she must pay at least 5% of the balance at the end of each month.  If her carry-over balance for groceries is $440.58, what would her finance charge be at the end of the month?

Round your answer to the nearest cent. Do not include units on your answer.

Answer

7.34


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