

1. 
Find the difference 25  (32). 


A. 
57 
B. 
7 


C. 
7 
D. 
57 


Hint 


2. 
Solve 2x = 10. 


A. 
x = 5 
B. 
x = 8 


C. 
x = 5 
D. 
x = 12 


Hint 


3. 
Find the mean of {3, 8, 10, 1, 25}. 


A. 
8 
B. 
9.4 


C. 
1 
D. 
9 


Hint 


4. 
Write an algebraic expression for onehalf of a number x subtracted from fifty. 


A. 
2x  50 
B. 
50  2x 


C. 

D. 



Hint 


5. 
What is the next term in the sequence 1, 3, 9, 27, 81, ...? 


A. 
27 
B. 
108 


C. 
82 
D. 
243 


Hint 


6. 
and are similar. Find x if z = 3, a = 6, and c = 4.5. 





A. 
4 
B. 
2.25 


C. 
7.5 
D. 
9 


Hint 


7. 
State the range of the relation {(1, 6), (2, 3), (5, 7), (5, 9)}. 


A. 
{3, 6, 9} 
B. 
{1, 2, 5} 


C. 
{3, 6, 7} 
D. 
{3, 6, 7, 9} 


Hint 


8. 
Evaluate . 


A. 
2 
B. 
1 


C. 
3 
D. 
4 


Hint 


9. 
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of less than 6 family members? 





A. 
80 
B. 
90 


C. 
85 
D. 
5 


Hint 


10. 
Find 


A. 

B. 



C. 

D. 



Hint 


11. 
Find 


A. 
81 
B. 
9 


C. 
9 
D. 
81 


Hint 


12. 
Select the linear equation. 


A. 
5x^{2} + 2y^{2} = 1 
B. 
y = 5x + 1 


C. 
= 2 
D. 
3xy – 2y = 7 


Hint 


13. 
Which relationship would most likely have no correlation? 


A. 
A person's height and the person's shoe size. 


B. 
The number of pizzas ordered, and the total price of the bill. 


C. 
A person's age, and the address of the person. 


D. 
The number of miles driven, and the number of gallons of gas in the car. 


Hint 


14. 
Solve 


A. 

B. 



C. 

D. 



Hint 


15. 
Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation A = –10x^{2} + 15x + 22, where A is height and x is the time in seconds. The height of Sanford's throw can represented by the equation S = –9x^{2} + 14x + 23. At time x, how much higher is Sanford's throw? 


A. 
x^{2} + x + 1 
B. 
x^{2} – x + 1 


C. 
x^{2} – x – 1 
D. 
x^{2} + x – 1 


Hint 


16. 
Find the area of a triangle with base 2x + 3 and height 3x – 1. 


A. 
x^{2} + x – 3 
B. 
5x^{2} + 7x – 3 


C. 
3x^{2} + x 
D. 
6x^{2} + 7x – 3 


Hint 


17. 
The sum of two numbers is 12, and the product of the numbers is 36. What are the numbers? 


A. 
7 and 5 
B. 
6 and 9 


C. 
9 and 4 
D. 
6 and 6 


Hint 


18. 
A formula in which the nth term of a sequence is expressed in terms of the previous term, as in is called what? 


A. 
exponential 
B. 
recursive 


C. 
dependent 
D. 
geometric 


Hint 


19. 
Suppose the formula represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If its wings are 150 feet and k = 0.1669, what range of values are possible for weight? 


A. 
greater than 3755 pounds 
B. 
greater than 134,811 pounds 


C. 
less than 134,811 pounds 
D. 
less than 3755 pounds 


Hint 


20. 
What is the constant of variation if y varies inversely as x, and x = 4.3 when y = 2.15? 


A. 

B. 
2 


C. 
9.245 
D. 
0.108 


Hint 


