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1. |
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. |
6.9 ft |
B. |
7.3 ft |
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C. |
6.5 ft |
D. |
7.0 ft |
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Hint |
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2. |
Simplify (-3a5b3)4. |
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A. |
-81a9b12 |
B. |
-12a9b7 |
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C. |
81a20b12 |
D. |
-12a20b12 |
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Hint |
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3. |
Which interval has the most values? |
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A. |
10-20 |
B. |
70-80 |
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C. |
60-70 |
D. |
90-100 |
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Hint |
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4. |
Find the sum -5 + (-6). |
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A. |
-11 |
B. |
-1 |
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C. |
1 |
D. |
11 |
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Hint |
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5. |
Find the sum -6 + 3. |
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A. |
-3 |
B. |
-9 |
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C. |
9 |
D. |
3 |
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Hint |
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6. |
Based on the line plot, what is the most frequent score? |
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A. |
75 |
B. |
100 |
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C. |
71 |
D. |
21 |
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Hint |
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7. |
Find the quotient (-100) ÷ (-25). |
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A. |
75 |
B. |
-125 |
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C. |
-4 |
D. |
4 |
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Hint |
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8. |
Solve the equation  |
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A. |
a =  |
B. |
a = 5 |
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C. |
a = 0 |
D. |
a =  |
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Hint |
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9. |
Find 56.875 ÷ -6.5. |
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A. |
-11.375 |
B. |
11.375 |
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C. |
8.75 |
D. |
-8.75 |
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Hint |
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10. |
Consider the function f (x) = -2(x + 8). Is this function a linear function? Why or why not? |
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A. |
No, the function cannot be written in the form f (x) = mx + b. |
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B. |
Yes, the coefficient of x is not zero. |
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C. |
No, f is not a function. |
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D. |
Yes, the function can be written in the form f (x) = mx + b. |
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Hint |
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11. |
Find the median of the data. |
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A. |
19.5 |
B. |
23 |
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C. |
42.5 |
D. |
29.5 |
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Hint |
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12. |
In the set of data
{113, 146, 146, 154, 157, 170, 181},
which measure of central tendency has the highest value? What is the value? |
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A. |
median, 154 |
B. |
mean, 178 |
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C. |
mean, 152 |
D. |
mode, 146 |
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Hint |
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13. |
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. |
{-3, -2, –1, 0, 2, 4, 6, 8} |
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C. |
{-3, -2, –1, 0} |
D. |
{2,4,6,8} |
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Hint |
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14. |
What is the value of cell B2? |
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A. |
27 |
B. |
12 |
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C. |
21 |
D. |
5 |
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Hint |
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15. |
Find the next two terms of the sequence 64, –32, 16, –8…? |
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A. |
4, 2 |
B. |
–4, –2 |
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C. |
–2, –1 |
D. |
4, –2 |
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Hint |
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16. |
Find the next two terms of the sequence  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
Given  find ? |
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A. |
9 |
B. |
–9 |
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C. |
–12 |
D. |
10 |
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Hint |
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18. |
Graph the solution set of  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
What appears to happen in the graph? |
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A. |
Sales have slightly increased. |
B. |
Sales have cut in half each month.. |
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C. |
Sales have dropped. |
D. |
Sales have doubled each month.. |
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Hint |
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20. |
Why is the graph misleading? |
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A. |
The dimensions other than height have changed. |
B. |
Scale is not at even intervals. |
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C. |
Scale should be smaller. |
D. |
Months are out of order. |
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Hint |
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