| |
| |
1. |
Sarah must maintain a balance of at least $500 in her checking account to avoid finance charges. If her current balance is $794, write an inequality to determine how many times she can withdraw $25 for shopping without paying finance charges. |
| |
|
A. |
25w 794 |
B. |
25w 500 |
| |
|
C. |
25w 106 |
D. |
25w 294 |
| |
|
Hint |
|
| |
2. |
Which letter has rotational symmetry? |
| |
|
A. |
C |
B. |
E |
| |
|
C. |
M |
D. |
O |
| |
|
Hint |
|
| |
3. |
Simplify  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
Evaluate . Express the result in scientific notation. |
| |
|
A. |
8.0 × 10-9 |
B. |
0.8 × 10-8 |
| |
|
C. |
8.0 × 10-7 |
D. |
80 × 10-8 |
| |
|
Hint |
|
| |
5. |
Solve . |
| |
|
A. |
-2 |
B. |
0 |
| |
|
C. |
4 |
D. |
1 or 4 |
| |
|
Hint |
|
| |
6. |
Simplify the polynomial 4a2 + a2. |
| |
|
A. |
4a2 + a |
B. |
6a2 |
| |
|
C. |
5a2 |
D. |
4a2 |
| |
|
Hint |
|
| |
7. |
Find the difference:  |
| |
|
A. |
-3x2 - 7x + 1 |
B. |
-3x2 - 7x - 5 |
| |
|
C. |
3x2 - 7x - 5 |
D. |
-3x2 + x - 5 |
| |
|
Hint |
|
| |
8. |
Find the value of c that makes x2 + 16x + c a perfect square. |
| |
|
A. |
64 |
B. |
8 |
| |
|
C. |
-64 |
D. |
16 |
| |
|
Hint |
|
| |
9. |
Find the product of (4n + 5) and (2n + 3). |
| |
|
A. |
8n2 + 22n - 15 |
| |
|
B. |
6n2 + 20n + 12 |
| |
|
C. |
6n2 + 18n + 8 |
| |
|
D. |
8n2 + 22n + 15 |
| |
|
Hint |
|
| |
10. |
Find the table that represents a graph with direct variation. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
11. |
Which table shows a quadratic relationship? |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
12. |
Find the equation of the following graph. |
| |
|
 |
| |
|
A. |
y = x2 |
B. |
y =  |
| |
|
C. |
y =  |
D. |
y = x3 |
| |
|
Hint |
|
| |
13. |
Tell whether the statement is sometimes true, always true, or never true for positive values of n. If it is sometimes true, state for what value it is true. 4n = 6,561. |
| |
|
A. |
sometimes true, n = 8 |
B. |
never true |
| |
|
C. |
sometimes true, n = 7 |
D. |
always true |
| |
|
Hint |
|
| |
14. |
Which number is not equal to the other three? |
| |
|
A. |
 |
B. |
2-2 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Select the figure that is a reflection. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
Find the solutions of the equation.(s – 5)(s + 1) = 0 |
| |
|
A. |
s = –5 and s = –1 |
| |
|
B. |
s = 5 and s = –1 |
| |
|
C. |
s = 5 and s = 1 |
| |
|
D. |
s = –5 and s = 1 |
| |
|
Hint |
|
| |
17. |
Find the domain of the function. |
| |
|
A. |
all real numbers except –1 |
| |
|
B. |
all real numbers except 0 |
| |
|
C. |
all real numbers |
| |
|
D. |
all real numbers except 1 |
| |
|
Hint |
|
| |
18. |
Hector needs to build a rectangular pen for his dog. He decides to use an area of 50 m2 in his backyard for the pen. Using l for the length and w for the width, express the area in terms of the two variables. |
| |
|
A. |
l + w = 50 |
B. |
lw = 50 |
| |
|
C. |
w = 50 – w |
D. |
 |
| |
|
Hint |
|
| |
19. |
Ben, Jenny, Angela, and Craig all ran in the 1-mile cross-country race. What is the probability that Craig finished ahead of Ben? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
+ |
| |
|
Hint |
|
| |
20. |
Suppose one player rolls a 6-sided die numbered 1 to 6, and a second player rolls an 8-sided die numbered 1 to 8. They find the difference between the numbers subtracting the lesser number from the greater number. Which difference gives the greatest probability? |
| |
|
A. |
1 |
B. |
2 |
| |
|
C. |
4 |
D. |
3 |
| |
|
Hint |
|
|
|