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

Celine's Solution:

Who is correct?
Choose:
 Matt Celine

3.
Which expression is equivalent to ?

Choose:
 711 721

4.
Express the volume of the rectangular solid at the right in cubic units.

Choose:
 48a3b2 24a3b2 48a3b3 13a3b2

 5. Which of the following expressions are equivalent to       ? (Check all that apply, and hit SUBMIT!) 2-2   4-1    2-1

6.
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.
[Area of a triangle = ½ (base)(height)]

Choose:
 60a2b2 60ab2 30a2b2 30ab2

7.
Which expression is equivalent to: ?

Choose:
 32 3-2 3-3 33

8.
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.

9.
Which expression is equivalent to: ?
Choose:
 27 2-6

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