CCSS.Math.Content.HSA.CED.A.1

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^x

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CCSS.Math.Content.HSA.CED.A.1

The figure is a parallelogram.  
Solve for x.  Hint: What can you do to FU to make it equal to WU? Then write and equation and solve

• 9
• 4
• 8
• 2

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CCSS.Math.Content.HSA.CED.A.1

A chef has 7 pounds of potatoes.  She needs more than 14 pounds for dinner.  What inequality describes the amount of potatoes the chef needs to buy?

• x - 7 > 14
• x + 7 > 14
• x - 7 < 14
• x + 7 < 14

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CCSS.Math.Content.HSA.CED.A.1

The Henley's took out a loan for $195,000 to purchase a home. At a 4.3% interest rate compounded annually,how much interest will they  have paid after 30 years?

• $412,749.79      Labor Day
• $429,305.61            the 4th of July
• $471,259.24  Groundhog Day
• $494,546.99 Valentine’s Day

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CCSS.Math.Content.HSA.CED.A.1

Twelve years ago, Claire put $1,800 in an account that pays an interest rate of 2.5% compounded semiannually.She now plans to take the  money in that account and invest it in another account that earns 4% interest compounded monthly. How much money will be in this new account after 7 years?

• $3,207.40             eating ice cream 
• $3,348.96        chewing gum
• $3,574.15            telling math jokes
• $3,733.62                   tap dancing

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CCSS.Math.Content.HSA.CED.A.1

If James sells his car for $1,000 and bought it for $2500. What is the percentage loss made on the car.

• 15%
• 10%
• 60%
• 150%

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CCSS.Math.Content.HSA.CED.A.1

How many years will it take $600 to double with 10% interest?

• 6 years
• 8.3 years
• 10 years
• 7.2 years

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CCSS.Math.Content.HSA.CED.A.1

Your 6 year investment of $40,000 at 14% interest compounded annually is worth how much now?

• $47,798.90
• $87,798.90
• $127,798
• $7,798

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CCSS.Math.Content.HSA.CED.A.1

If your job pays you $12 an hour.  If you work for 30 hours in a week, what is your straight-time pay? 

• $36
• $360
• $120
• $300

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CCSS.Math.Content.HSA.CED.A.1

Cora invested $400 at a rate of 35% for 8 months, compounded continuously. How much is her investment worth after 8 months?

• $520.07

• $505.12

• $460.11

• $7,643.74

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CCSS.Math.Content.HSA.CED.A.1