TEKS.MATH.8.12D

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• $7.50
• $26.25
• $87.5
• $262.50

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TEKS.MATH.8.12D

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

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TEKS.MATH.8.12D

Sarah borrowed $18,000 for 4 years at an annual simple interest rate of 7%.  How much interest will she pay at the end of the 4 years?

• $5040
• $23040
• $504000
• $18000

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TEKS.MATH.8.12D

8)  Jose wants to save money for a house and finds two accounts that pay 3% in interest.  He wants to invest $3000.  He has 2 options to invest his money. Option A is a simple interest account with a time period of 10 years. Option B is a compound interest account with a time period of 12 years.  What would be his account balance in Option B?

• $4,277.28
• $900
• $1,277.28
• $1,080

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TEKS.MATH.8.12D

Find the compound interest:
Principal: $1735
Interest Rate: 0.8%
Time: 1 year

• $1,388
• $138.80
• $13.88
• None of the answers are correct.

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TEKS.MATH.8.12D

What is the formula for simple interest?

• A=P(1+r)^t
• I=Prt
• I=P(1+r)t
• A=Prt

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TEKS.MATH.8.12D

The A means ____________ in compound interest

• annual

• amount in account

• answer

• accrued debt

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TEKS.MATH.8.12D

When Using the compound interest formula, what is the extra step you must take to get interest?

• add the principle

• subtract the principle

• multiply the principle

• leave it alone

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TEKS.MATH.8.12D

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766
• 9006
• 9765
• 5433

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TEKS.MATH.8.12D

I invest $3000 for 4 years at 3%. per annum compound interest. Find the total money I have in the bank after 4 years ?

• $3376.52

• $3376

• $3377

• $376.52

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TEKS.MATH.8.12D