TEKS.MATH.9-12.X.B

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

Tags

TEKS.MATH.9-12.X.B

TEKS.MATH.9-12.VIII.C

Write:
the amount you earn if you make 6.5 dollars an hour for h hours

• 6.5 + h
• h + h + 6.5
• 6.5
• 6.5h

Tags

TEKS.MATH.9-12.X.B

Jonathan's new clothes cost a total of $572.50 before tax. What type of tax does Jonathan have to pay for his new clothes?

• Income Tax
• Property Tax
• Payroll Tax
• Sales Tax

Tags

TEKS.MATH.9-12.X.B

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

Tags

TEKS.MATH.9-12.X.B

TEKS.MATH.9-12.I.B

A car traveled at an average speed of 80 miles per hour for 3 hours and consumed fuel at a rate of 34 miles per gallon. Approximately how many gallons of fuel did the car use for the entire 3-hour trip? 

• 3
• 2
• 6
• 7

Tags

TEKS.MATH.9-12.X.B

TEKS.MATH.9-12.I.B

When you put money aside to use in the future you are ________________ it. 

• planned spending
• credit
• charity
• saiving

Tags

TEKS.MATH.9-12.X.B

If you make only the minimum payment each month, you will pay more in interest and it will take longer to pay off the balance.

• Debit Card

• Credit Card

• Store Value Card

Tags

TEKS.MATH.9-12.X.B

TEKS.MATH.9-12.VIII.C

A car travels 50 miles in 40 minutes.

How many miles does the car travel in 20 minutes?

• 25 miles

• 60 miles

• 1.25 miles

• 70 miles

Tags

TEKS.MATH.9-12.X.B

TEKS.MATH.9-12.I.B

The gas pressure in a chamber varies directly with the temperature in the chamber. If the pressure in the chamber is 150 atmospheres (atm) when the chamber is at 50 degrees, what is the pressure in the chamber when the temperature of the chamber is 75 degrees? 

• 175 atm
• 200 atm
• 225 atm
• 275 atm

Tags

TEKS.MATH.9-12.X.B

A cliff overlooking Oak Grove Lake is experiencing erosion, losing elevation at a rate of 5% every millennium. The cliff's current elevation is 1,200 meters. What will its elevation be in 6 millennia? (Round to the nearest whole number if necessary).

• 882

• 465

• 349

• 975

Tags

TEKS.MATH.9-12.X.B

TEKS.MATH.9-12.VIII.C