

1. 
To what set of numbers does belong? 


A. 
whole numbers 
B. 
integers 


C. 
rationals 
D. 
irrationals 


Hint 


2. 
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? 


A. 
93 
B. 
80 


C. 
97 
D. 
100 


Hint 


3. 
What is the probability that you roll an odd number on a sixsided number cube? 


A. 

B. 
3:1 


C. 
1:1 
D. 



Hint 


4. 
If y varies directly as x and y = 21 when x = 5, find x when y = 42. 


A. 
4.2 
B. 
21 


C. 
5 
D. 
10 


Hint 


5. 
Determine the value of r so that the line through (r, 4) and (7, 7) has a slope of . 





A. 
3 
B. 
9 


C. 
3 
D. 
11 


Hint 


6. 
Solve 8x + 2 < 42. 


A. 
{x  x < 5} 


B. 



C. 



D. 



Hint 


7. 
Find (2y^{2} + 7y – 5)(3y^{2} – 5y + 4). 


A. 
6y^{4} + 4y^{2} – 32y^{2} – 20 


B. 
6y^{4} – 35y^{2} – 20 


C. 
6y^{4} + 11y^{3} – 42y^{2} + 53y – 20 


D. 
5y^{2} + 2y – 1 


Hint 


8. 
Factor 6a^{3}b^{5} – 15a^{2}b. 


A. 
3(2a^{3}b^{5}  5a^{2}b) 
B. 
3a^{3}b(2ab^{2}  5) 


C. 
ab(6a^{2}b^{4}  15a) 
D. 
3a^{2}b(2ab^{4}  5) 


Hint 


9. 
Simplify . 


A. 

B. 



C. 

D. 



Hint 


10. 
Identify the coordinates of point C. 





A. 
(5, 2) 
B. 
(2, 1) 


C. 
(4, 6) 
D. 
(6, 4) 


Hint 


11. 
Translate the sentence into an equation. Four times the number n is equal to twice the sum of q and r. 


A. 
4n = 2(q – r) 
B. 
4n = 2q + r 


C. 
4n = 2(q + r) 
D. 
4n = q + r 


Hint 


12. 
Solve 


A. 

B. 
a = 90 


C. 
a = 90 
D. 



Hint 


13. 
Find f(x – 7) if f(x) = 4x – 10. 


A. 
4x + 18 
B. 
4x – 38 


C. 
4x + 3 
D. 
4x – 17 


Hint 


14. 
Write the pointslope form of an equation for a horizontal line that passes through (15, 11). 


A. 
y + 15 = 0 
B. 
y + 11 = 0 


C. 
y – 11 = 0 
D. 
y – 15 = 0 


Hint 


15. 
Write in slopeintercept form. 


A. 
2x  9y = 55 
B. 



C. 

D. 



Hint 


16. 
Solve 22p > 198. 


A. 
p > 4,356 
B. 
p < 4,356 


C. 
p > 9 
D. 
p < 9 


Hint 


17. 
Use a graph in order to approximate . 


A. 
133.4 
B. 
112.6 


C. 
0.0089 
D. 
0.0045 


Hint 


18. 
A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 30(0.92)^{d}, where y is the number of phone calls after d days. How many phone calls should she expect after a week? 


A. 
23 
B. 
2 


C. 
28 
D. 
17 


Hint 


19. 
A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 20(0.53)^{d}, where y is the number of phone calls after d days. On what day should she expect to have 3 calls? 


A. 
15 
B. 
2 


C. 
10 
D. 
3 


Hint 


20. 
If Dale Jarrett drives his car 1760 feet on the racetrack in 6 seconds, about how long will it take him to drive 2640 feet, a half mile? 


A. 
9 seconds 
B. 
18 minutes 


C. 
6 minutes, 40 seconds 
D. 
18 seconds 


Hint 


