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1. |
If g(x) = |x + 3|, find g(-7). |
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A. |
-4 |
B. |
10 |
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C. |
-7 |
D. |
4 |
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Hint |
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2. |
Which equation describes graph A? |
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A. |
y = | x - 1 | |
B. |
y = 2.25x - 1 |
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C. |
y = | 2.25x | |
D. |
y = 2.25| x | - 1 |
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Hint |
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3. |
Simplify  |
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A. |
5t3u3v4 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Solve  |
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A. |
-49 |
B. |
7 |
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C. |
14 |
D. |
49 |
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Hint |
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5. |
Simplify  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Find the coordinates of the vertex of the parabola with equation
x = (y - 2)2 - 3. |
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A. |
(-2, 3) |
B. |
(2, -3) |
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C. |
(-3, -2) |
D. |
(-3, 2) |
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Hint |
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7. |
Find the radius of a circle with the equation x2 + y2 + 6x - 10y + 28 = 0. |
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A. |
 |
B. |
6 |
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C. |
5 |
D. |
3 |
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Hint |
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8. |
Write an equation for the hyperbola below. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
The graph of the equation 4y2 - 2x - 4y -7 = 0 is a(n) _____. |
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A. |
line |
B. |
ellipse |
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C. |
hyperbola |
D. |
parabola |
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Hint |
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10. |
Solve 4x2 - 8x + 3 = 0 by completing the square. |
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A. |
1, 3 |
B. |
 |
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C. |
 |
D. |
 , 3 |
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Hint |
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11. |
Solve x2 - 4x + 1 = 0 by completing the square. |
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A. |
 |
B. |
 |
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C. |
2 |
D. |
1 |
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Hint |
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12. |
Stan the Hot Dog Man sells 100 hot dogs per day for $2 each, so his daily revenue is $200. He estimates that for every 25 cents he increases the price of a hot dog, he will sell 5 fewer. What range of prices can he charge so that his daily revenue is at least $225? |
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A. |
$3.00-$4.50 |
B. |
$2.50-$4.50 |
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C. |
$2.25-$2.50 |
D. |
$2.00-$4.00 |
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Hint |
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13. |
One zero of p(x) = x3 - 3x2 - 6x + 8 is 1. Which of the following is another zero? |
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A. |
1 - i |
B. |
-1 |
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C. |
4 |
D. |
1 + i |
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Hint |
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14. |
The Waxmans just opened a carpet store. Their startup costs were $5000, and their cost of carpet is $8 per square yard. How many square yards of carpet do they need to sell in order to break even if they sell the carpet for $18 per square yard? |
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A. |
500 square yards |
B. |
192 square yards |
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C. |
278 square yards |
D. |
50 square yards |
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Hint |
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15. |
Solve the system of equations4x – 2y = 2, –3x + 7y = –29 |
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A. |
(–2, 5) |
B. |
(–2, –5) |
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C. |
(2, –5) |
D. |
no solution |
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Hint |
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16. |
Solve  |
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A. |
 |
B. |
36 |
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C. |
no real solution. |
D. |
18 |
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Hint |
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17. |
Solve  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
Solve 2x2 - 7x + 5 = 0 by completing the square. |
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A. |
 |
B. |
4, 10 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Which of the following points will be included in the graph of  |
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A. |
(2, 1) |
B. |
(11, 5) |
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C. |
(8, 3) |
D. |
(4, 1) |
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Hint |
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20. |
Which point is closest to the midpoint of (2, 3) and (6, -1)? |
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A. |
(2, 3) |
B. |
(5, 4) |
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C. |
(6, -1) |
D. |
(3, -1) |
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Hint |
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