Directions: Choose the best answer for each question.

1.
Express the area of the rectangle shown at the right in terms of x and y, and using exponents.

Choose:
 8xy 12xy 8x2y2 12x2y2

2.
Express the volume of the rectangular solid at the right in cubic units.

Choose:
 48a3b2 24a3b2 48a3b3 13a3b2

3.
Matt and Celine are arguing over the correct simplification to the problem .
Matt's Solution:

Celine's Solution:

Who is correct?
Choose:
 Matt Celine

4.
Find the missing side of the right triangle shown at the right. An exact answer is expected.
Choose:
 14 15 16

5.
Baked Alaska is a desert made by putting a one inch coating of meringue around a hemisphere of ice cream. The volume of meringue needed in cubic inches, M(r), is given by the formula:
M(r) = 6.14r2 + 6.14r + 2.094
where r is the radius of the ice cream in inches. Find the amount of meringue needed when the radius of the ice cream is 6 inches. Round answer to nearest cubic inch.

Choose:
 39 in3 76 in3 260 in3 960 in3

6.
Find the value of x as shown in the rectangle at the right. An exact answer is expected.

Choose:
 13.7 13.75

7.
The distance, d, in feet that an object on the moon will fall in t seconds is given by the formula d(t) = 2.735t2. How far will an object fall on the moon in 4 seconds?

Choose:
 43.76 ft. 32.82 ft. 21.88 ft. 10.94 ft.

8.
The volume of a sphere is given by the formula:
Find the volume, in cubic cm, when the radius is 3 cm.

Choose:
 36π 12π 108π 8π

9.
The height of a triangle is 6ab. The length of the base of the triangle, as shown, is 10ab. Find the area of the triangle in terms of a and b.

Choose:
 60a2b2 60ab2 30a2b2 30ab2

10.
The total number of soccer games, G, that are scheduled in a league that has n teams, and each team plays every other team twice, is given by the formula G(n) = n2 - n. What is the total number of games scheduled for a league that has 7 teams?

Choose:
 49 42 14 7