

1. 
Simplify 6a + 15a. 


A. 
6a + 15a 
B. 
21a 


C. 
21a^{2} 
D. 
42a 


Hint 


2. 
Find the sum 6 + 3. 


A. 
9 
B. 
3 


C. 
9 
D. 
3 


Hint 


3. 
Find the sum 


A. 

B. 



C. 

D. 



Hint 


4. 
The area of a square is 100 square inches. Find the perimeter of the square. 


A. 
20 in. 
B. 
40 in. 


C. 
10 in. 
D. 
100 in. 


Hint 


5. 
Solve 15 + a = 10. 


A. 
a = 5 
B. 
a = 150 


C. 
a = 25 
D. 
a = 25 


Hint 


6. 
The formula A = lw finds the area of a rectangle. What is the width of a rectangle whose area is 60 square inches and whose length is 5 inches? 


A. 
12 in. 
B. 
25 in. 


C. 
12.5 in. 
D. 
55 in. 


Hint 


7. 
Find cos 42° to the nearest thousandth. 


A. 
0.743 
B. 
0.900 


C. 
0.669 
D. 
0.399 


Hint 


8. 
In which quadrant does the graph of (3, 2) lie? 


A. 
IV 
B. 
I 


C. 
III 
D. 
II 


Hint 


9. 
Solve 2(y  2) < 2(y  4). 


A. 
{y  y > 3} 
B. 
{y  y > 1} 


C. 
{y  y < 3} 
D. 
{y  y > 3} 


Hint 


10. 
The sum of two numbers is 36. Twice the first number minus the second is 6. Find the numbers. 


A. 
(10, 26) 
B. 
(14, 22) 


C. 
(30, 6) 
D. 
(42, 6) 


Hint 


11. 
Simplify x^{3}y^{0}z^{2}. 


A. 

B. 



C. 
0 
D. 
x^{3}yz^{2} 


Hint 


12. 
Factor 10x^{2} + 24x + 8. 


A. 
2(x + 4)(5x + 1) 
B. 
2(x + 2)(5x + 2) 


C. 
(x + 2)(5x + 2) 
D. 
(2x + 4)(5x + 2) 


Hint 


13. 
Which side measures do not form a right triangle? 


A. 
3, 4, 5 
B. 
5, 12, 13 


C. 
10, 12, 15 
D. 
9, 40, 41 


Hint 


14. 
Evaluate 10 + 21  x  3 if x = 9. 


A. 
22 
B. 
28 


C. 
25 
D. 
19 


Hint 


15. 
Find the next three terms in the sequence 10, 15, 25, 40, …. 


A. 
60, 85, 115 
B. 
55, 70, 85 


C. 
65, 100, 145 
D. 
45, 50, 55 


Hint 


16. 
Solve –4(10 – n) – 6n > 8(n + 3) – 7n + 2. 


A. 
n > 6 
B. 
n < 6 


C. 
n > 22 
D. 
n < 22 


Hint 


17. 
Use elimination to solve the system of equations given by 6x + 15y = 15 and 4x – 5y = 25. 


A. 
(10, 3) 
B. 
no solution 


C. 
infinitely many solutions 
D. 
(5, 1) 


Hint 


18. 
Suppose the area of a square isx^{2} – 10x + 25. What is the perimeter of the square? 


A. 
4x 
B. 
4x – 20 


C. 
2x 
D. 
2x – 10 


Hint 


19. 
Given the coordinates (0, 3), (1, 11), (2, 19), (3, 27), would a graph of these points exhibit exponential behavior? 


A. 
no, it would display linear behavior 
B. 
no, it would not display exponential or linear behavior 


C. 
yes, exponential behavior only 
D. 
yes, exponential and linear behavior 


Hint 


20. 
Gary is inches tall, and weighs pounds. What is his ratio in pounds per inch of height? 





A. 
3 
B. 



C. 

D. 



Hint 


