Name:    Algebra 1 SOL A.2

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

1.

What is the value of if and ?
 a. 15 c. 22 b. 18 d. 28

2.

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

3.

Which expression represents the square of a number n, decreased by the number?
 a. c. b. d.

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%?
 a. b. c. d.

6.

Which expression represents 10 more than twice a number n?
 a. c. b. d.

7.

The high temperature in Charlottesville one day was 20 Celsius. What is this temperature in degrees Fahrenheit? Use the formula .
 a. 36 c. 68 b. 43 d. 212

8.

Luigi earns \$8 per hour baby-sitting and \$10 per hour working at a movie theater. If he baby-sits 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?
 a. b. c. d.

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?
 a. c. b. d.

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