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1. |
The temperature f(x) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where x is the depth in feet of the water. What would be the temperature of water 30 feet below the surface? |
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A. |
33°F |
B. |
63°F |
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C. |
71.25°F |
D. |
111°F |
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Hint |
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2. |
What is the first step in solving the system of equations using the elimination method? 
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A. |
Add the equations. |
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B. |
Multiply the second equation by 2. |
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C. |
Solve the first equation for x. |
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D. |
Subtract the second equation from the first equation. |
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Hint |
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3. |
Use the substitution method to solve m - n = 7 and 3m + 2n = 6. |
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A. |
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B. |
(-5, 2) |
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C. |
(4, -3) |
D. |
(-3, -10) |
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Hint |
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4. |
Find the sum  |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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5. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
8 |
B. |
9 |
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C. |
9.4 |
D. |
1 |
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Hint |
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6. |
Name the remote interior angles of  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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7. |
The _______________ states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side. |
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A. |
Definition of a Triangle |
B. |
Triangle Equality Theorem |
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C. |
Definition of an Inequality |
D. |
Triangle Inequality Theorem |
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Hint |
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8. |
The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have? |
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A. |
16 |
B. |
12 |
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C. |
18 |
D. |
20 |
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Hint |
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9. |
Choose the possible measure for  1 in the figure shown. |
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A. |
110° |
B. |
180° |
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C. |
0° |
D. |
11° |
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Hint |
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10. |
Find the surface area of the right cylinder. (Round to the nearest whole number.) |
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A. |
1156 sq. units |
B. |
955 sq. units |
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C. |
1508 sq. units |
D. |
540 sq. units |
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Hint |
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11. |
Find the surface area to the nearest tenth of a sphere with a radius of 4.2 centimeters. |
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A. |
121.4 cm2 |
B. |
235.6 cm2 |
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C. |
221.7 cm2 |
D. |
310.3 cm2 |
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Hint |
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12. |
Simplify  |
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A. |
27x3ny6 |
B. |
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C. |
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D. |
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Hint |
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13. |
Use mental math to solve  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
How many possible subsets does {a,b,c} have? |
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A. |
8 |
B. |
9 |
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C. |
12 |
D. |
7 |
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Hint |
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15. |
What is the rule relating each term in the sequence 3, 6, 9, 12…? |
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A. |
Add  |
B. |
Multiply by |
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C. |
Add 3 |
D. |
Multiply by 2 |
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Hint |
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16. |
What is the rule relating each term in the sequence 1, –1, –3, –5…? |
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A. |
Subtract 2 |
B. |
Add 3 |
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C. |
Subtract 1 |
D. |
Divide by |
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Hint |
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17. |
Solve  |
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A. |
21 |
B. |
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C. |
28 |
D. |
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Hint |
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18. |
If  which lines must be parallel? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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19. |
What instrument would be best to use to measure the degree of angles? |
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A. |
caliper |
B. |
protractor |
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C. |
compass |
D. |
ruler |
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Hint |
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20. |
Which method of finding solutions would work best to find the solutions to the system  and state why? |
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A. |
determinants and matrices, because there are fewer calculations |
B. |
adding or subtracting |
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C. |
substitution |
D. |
adding and multiplying |
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Hint |
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