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1. |
The table below shows the land-speed records to the nearest mile per hour. Draw a scatter plot for the data and use it to predict the approximate land-speed record for the year 2005. Assume the rate of increase of speed records remains the same. |
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A. |
600 mph |
B. |
700 mph |
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C. |
830 mph |
D. |
980 mph |
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Hint |
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2. |
Choose the graph that shows the solution to the system of inequalities  and  |
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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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3. |
A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? |
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A. |
f(-2, 3) |
B. |
f(3, 1) |
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C. |
f(4, 6) |
D. |
f(2, -2) |
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Hint |
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4. |
Which coordinates are not of the vertices of the feasible region for the system of inequalities? 
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A. |
(0, 6) |
B. |
(2, 4) |
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C. |
(5, 4) |
D. |
(5, 1) |
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Hint |
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5. |
Factor m3 - 4m2 + 6m - 24. |
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A. |
m2(m - 4) + 6m - 24 |
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B. |
(m + 4)(m2 - 6) |
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C. |
m(m2 - 4m + 6) - 24 |
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D. |
(m - 4)(m2 + 6) |
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Hint |
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6. |
Which is the graph of x = -y2 + 8y - 14? |
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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. |
Which is the graph of 4x2 + 9y2 + 16x -18y -11 = 0? |
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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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8. |
Find the coordinates of the foci of a hyperbola with equation  |
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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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9. |
Paleontology A fossil is found that contains 10% of the amount of carbon-14 found in a living being. About how old is the fossil? |
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A. |
19,200 years |
B. |
20,700 years |
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C. |
17,600 years |
D. |
15,300 years |
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Hint |
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10. |
Evaluate  if a = 2, b = 4, and c = -1. |
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A. |
2.4 |
B. |
7 |
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C. |
1 |
D. |
-14 |
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Hint |
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11. |
Solve 6z > 39. |
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A. |
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B. |
{z | z < 234} |
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C. |
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D. |
{z | z > 234} |
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Hint |
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12. |
Which of the following properties does not hold for matrices? |
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A. |
associative property of multiplication |
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B. |
right distributive property |
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C. |
commutative property of multiplication |
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D. |
left distributive property |
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Hint |
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13. |
Which method of finding solutions would work best to find the solutions to the system 12.4x – 3.66y = 12.19, 3.9x + 6.17y = 19.28, and why? |
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A. |
Cramer's Rule, because there are fewer calculations. |
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B. |
elimination, because 6.17 is a factor of 3.66 |
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C. |
elimination, because Cramer's Rule doesn't apply to this problem |
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D. |
Cramer's Rule, because none of the other methods will correctly solve the problem |
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Hint |
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14. |
Express the result in scientific notation.  |
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A. |
1.25 × 1010 |
B. |
1.25 × 10-10 |
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C. |
1.25 × 10-4 |
D. |
1.25 × 104 |
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Hint |
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15. |
Factor 4x2 – 49. |
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A. |
(2x + 7)(2x – 7) |
B. |
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C. |
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D. |
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Hint |
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16. |
Simplify  |
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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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17. |
What is the height of a computer whose base is x2 + 4x + 4 and whose volume is x3 + 3x2 – 4? |
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A. |
x + 1 |
B. |
x + 2 |
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C. |
(x – 1)( x + 2) |
D. |
x – 1 |
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Hint |
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18. |
The amount of money spent at a grocery store can be expressed as a square root function,  , where x is the number of groceries, and f(x) is the amount of money spent. If Eugene buys 12 items, how much money should he expect to spend? |
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A. |
$20 |
B. |
$13 |
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C. |
$169 |
D. |
$9.92 |
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Hint |
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19. |
Simplify  . |
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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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20. |
Which of the following functions has a hole and a vertical asymptote? |
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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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