Multiple Choice Identify the
choice that best completes the statement or answers the question.


1.

What is the value of if and ?


2.

The temperature in Duffield is x degrees. If the temperature drops 22
degrees, it will be 54 degrees. Which equation represents this situation?


3.

Which expression represents the square of a number n, decreased by the
number?


4.

What is the approximate volume of air in the spherical balloon? The volume of a
sphere with radius r is .
a.  7,238 in  c.  288 in  b.  905 in  d.  151 in 


5.

Antonia invested $10,000 at a bank, part at 2% and the rest at 2.5%. If she
received $245 in interest after 1 year, how much did she invest at 2 percent? Which equation could be
used to solve this problem, where x represents the amount invested at 2%?


6.

Which expression represents 10 more than twice a number n?


7.

The high temperature in Charlottesville one day was 20 Celsius. What is this
temperature in degrees Fahrenheit? Use the formula .


8.

Luigi earns $8 per hour babysitting and $10 per hour working at a movie
theater. If he babysits 50 hours in a year, how many hours would he need to work at the theater in
order to earn $3,000 for a computer? Which equation represents this situation where x is the
number of hours he would need to work at the theater?


9.

Joanna spends 3 hours more each week practicing the piano than the clarinet. If
n represents the number of hours she practices the clarinet, which expression represents the
number of hours she practices the piano?


10.

What is the approximate volume of this cone? The volume of a cone with radius
r and height h is .
a.  24 cm  c.  75 cm  b.  72 cm  d.  226 cm 
