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1. |
Find the mode for the stem-and-leaf plot shown below. |
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A. |
25 |
B. |
59 |
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C. |
52 |
D. |
53 |
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Hint |
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2. |
The line plot shows the lengths in feet of a group of adult seals. What is the mean length to the nearest tenth? |
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A. |
6.5 ft |
B. |
6.9 ft |
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C. |
7.0 ft |
D. |
7.3 ft |
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Hint |
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3. |
Express 0.091 in scientific notation. |
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A. |
9.1 × 101 |
B. |
9.1 × 10-1 |
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C. |
9.1 × 10-2 |
D. |
9.1 × 102 |
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Hint |
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4. |
Find the difference |-25| - (-32). |
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A. |
7 |
B. |
-7 |
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C. |
57 |
D. |
-57 |
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Hint |
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5. |
Find the sum  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Find the sum  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Solve the equation x – 82 = 143 |
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A. |
61 |
B. |
-61 |
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C. |
 |
D. |
225 |
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Hint |
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8. |
Is the relation shown in the graph a function? Why or why not? |
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A. |
Yes, the ordered pairs (-3, 2), (-1, 1), and (3, -1) form a straight line. |
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B. |
No, the relation contains the ordered pairs (0, -1) and (3, -1). |
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C. |
Yes, the relation contains very few ordered pairs. |
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D. |
No, the relation contains the ordered pairs (3, -1) and (3, 2). |
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Hint |
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9. |
Consider the formula F(c) = 1.8c + 32, where c is the temperature in degrees Celsius and F(c) is the temperature in degrees Fahrenheit. If it is 0° C at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit? |
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A. |
-12.2 |
B. |
11 |
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C. |
19.8 |
D. |
51.8 |
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Hint |
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10. |
Express the result in scientific notation.  |
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A. |
1.25 × 1010 |
B. |
1.25 × 10-4 |
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C. |
1.25 × 104 |
D. |
1.25 × 10-10 |
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Hint |
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11. |
Which answer shows all the possible subsets of {3, 7}? |
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A. |
{3}, {7}, |
B. |
{3,7}, |
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C. |
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D. |
{3,7}, {3}, {7}, |
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Hint |
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12. |
If A = {5, 6, 7, 8} and B = {8, 9}. what set notation means that 7 belongs to set A but not set B? |
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A. |
7 A, 7 B |
B. |
7 = A, 7 B |
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C. |
7 A, 7 B |
D. |
7 A, 7B |
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Hint |
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13. |
Which is the graph of -4 and  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
If A= {0,1,2,3,4}, B={2,4,6,8} and C=  find  |
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A. |
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B. |
{0,1,2,3,4,5,6,7,8} |
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C. |
{2,4} |
D. |
{2,4,6,8} |
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Hint |
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15. |
What is the value of cell C2? |
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A. |
1 |
B. |
36 |
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C. |
18 |
D. |
27 |
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Hint |
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16. |
What are the next 3 terms in the sequence 2, 4, 8, 14, 22….? |
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A. |
30, 42, 56 |
B. |
28, 32, 38 |
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C. |
32, 44, 58 |
D. |
34, 48, 62 |
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Hint |
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17. |
Given  find  |
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A. |
12 |
B. |
–12 |
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C. |
–14 |
D. |
10 |
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Hint |
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18. |
Given  find ? |
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A. |
–12 |
B. |
–9 |
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C. |
10 |
D. |
9 |
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Hint |
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19. |
Given  find  |
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A. |
1 |
B. |
–1 |
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C. |
7 |
D. |
–7 |
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Hint |
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20. |
Solve  |
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A. |
 |
B. |
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C. |
 |
D. |
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Hint |
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