Practice Page
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

pinkrect

 

 

2.
Matt and Celine are arguing over the correct simplification to the problem mca.
Matt's Solution: mc2
Celine's Solution:
mc3

mattCeline
Who is correct?
Choose:
Matt
Celine

 

 

3.
Which expression is equivalent to exN4?

Choose:
exN42

711
exN41
721
confusedbear

 

 

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

Choose:
48a3b2
24a3b2
48a3b3
13a3b2
rectsolid

 

 

5.
 Which of the following expressions are equivalent to
     ex9N ?
(Check all that apply, and hit SUBMIT!)
 

   2-2

12N

  4-1

   2-1

  14

        

choices

 

 

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
purptri

 

 

7.
Which expression is equivalent to: ex6 ?
Choose:
32
3-2
3-3
33
bearponder

 

 

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.
moon

 

 

9.
Which expression is equivalent to: ex8N ?
Choose:
ex8n1
27
ex8n2
2-6
thinker

 

 

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
soccerguys

 

 

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