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1. |
Write an inequality for the following problem. One fourth of a number increased by 17 is at least 63. |
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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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2. |
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. |
71.25°F |
B. |
111°F |
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C. |
33°F |
D. |
63°F |
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Hint |
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3. |
Which equation describes graph A? |
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A. |
y = 2.25x - 1 |
B. |
y = | 2.25x | |
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C. |
y = 2.25| x | - 1 |
D. |
y = | x - 1 | |
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Hint |
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4. |
Evaluate  using expansion by minors. |
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A. |
64 |
B. |
80 |
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C. |
68 |
D. |
14 |
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Hint |
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5. |
If  , find N -1. |
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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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6. |
Simplify  |
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A. |
x2 + 7 |
B. |
x - 4 |
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C. |
x + 7 |
D. |
x + 4 |
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Hint |
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7. |
Find the product of 2 and -5m. |
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A. |
-10 |
B. |
10m |
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C. |
-3m |
D. |
-10m |
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Hint |
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8. |
The graph of the equation 3x2 + 2y2 + 18x + 21 = 0 is a(n) _____. |
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A. |
parabola |
B. |
line |
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C. |
hyperbola |
D. |
ellipse |
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Hint |
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9. |
A spinner like the one below is used in a game. Determine the probability that the spinner will land on an odd number less than nine. |
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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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10. |
State the number of positive real zeros for the polynomial
f(x) = x3 + 4x2 + x + 5. |
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A. |
3 |
B. |
0 |
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C. |
1 |
D. |
2 |
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Hint |
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11. |
List all possible rational zeros of f(x) = 2x3 - 5x2 + 3x - 1. |
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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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12. |
Which is the graph of a function and its inverse? |
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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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13. |
Find the arithmetic means of the sequence  |
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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. |
What is the seventh term of (x - y)8? |
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A. |
8xy7 |
B. |
-35xy7 |
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C. |
-8xy7 |
D. |
-28xy7 |
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Hint |
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15. |
Solve the inequality –13 < -5x – 3 < 17. |
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A. |
{x | 4 > x > -2} |
B. |
{x | 2 < x < -4} |
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C. |
{x | -2 < x < 4} |
D. |
{x | -4 < x < 2} |
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Hint |
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16. |
Which graph shows the inequality 5x – 2y  8? |
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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 inequality represented in the graph? |
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A. |
3x – 2y 0 |
B. |
3x + 2y 0 |
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C. |
3x + 2y  0 |
D. |
3x – 2y 0 |
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Hint |
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18. |
Find the coordinates of the vertices of the image of a triangle FGH with F(-4, 2), G(-3, -3), H(3,4) after it is rotated 270° counterclockwise about the origin. |
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A. |
F'(-2, 4), G'(3, 3),H'(-4, -3) |
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B. |
F'(2, 4), G'(-3, 3),H'(4, -3) |
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C. |
F'(4, 2), G'(3, -3),H'(-3, 4) |
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D. |
F'(2, -4), G'(-3, -3),H'(4, 3) |
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Hint |
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19. |
John ran a marathon on a windy day. He ran the first 13 miles into the wind, and the last 13 miles with the wind at his back, and he completed the course in 3 hours. How fast is John in still conditions if the wind speed was 4 miles per hour? |
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A. |
12.7 mph |
B. |
8.7 mph |
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C. |
10.2 mph |
D. |
–1.6 mph |
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Hint |
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20. |
Solve log 3 x < 4. Check your solution. |
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A. |
0 < x < 64 |
B. |
x < 81 |
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C. |
0 < x < 81 |
D. |
x < 64 |
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Hint |
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