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1. |
Evaluate a - b2 if a = 4 and b = 3. |
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A. |
13 |
B. |
1 |
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C. |
-5 |
D. |
-13 |
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Hint |
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2. |
Which statement is true about the graph shown below? |
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A. |
The relation is a function. |
B. |
The domain is {-3, 2, 4}. |
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C. |
The range is {-3, -2, 0, 1}. |
D. |
The relation is not a function. |
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Hint |
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3. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
6 × 3 |
B. |
6 × 1 |
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C. |
3 × 3 |
D. |
3 × 1 |
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Hint |
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4. |
Find the product of -15i and its conjugate. |
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A. |
15i |
B. |
225 |
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C. |
225i |
D. |
-225 |
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Hint |
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5. |
Determine the distance between points at
 and  |
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A. |
 units |
B. |
 units |
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C. |
9 units |
D. |
 units |
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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. |
(-3, -2) |
B. |
(2, -3) |
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C. |
(-2, 3) |
D. |
(-3, 2) |
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Hint |
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7. |
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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8. |
How many possible negative real zeros are there for the polynomial
g(x) = 2x4 + x3 - 4x + 1? |
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A. |
1 |
B. |
3 |
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C. |
5 |
D. |
2 |
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Hint |
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9. |
Solve y4 - 18y2 + 81 = 0. |
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A. |
3 |
B. |
3, 3i |
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C. |
-3, 3, -3i, 3i |
D. |
-3, 3 |
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Hint |
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10. |
Find  if g(x) = x - 5 and h(x) = |x|. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Determine the inverse of the function  |
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A. |
2x + 1 |
B. |
2x - 2 |
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C. |
2x + 2 |
D. |
x + 2 |
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Hint |
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12. |
Solve the equation x – 82 = 143 |
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A. |
-61 |
B. |
225 |
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C. |
61 |
D. |
 |
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Hint |
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13. |
If Molly's car gets 24 miles for each gallon of gasoline, and she has 8 gallons of gasoline in her tank, how far can she drive before having to stop and get gas? |
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A. |
192 miles |
B. |
3 miles |
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C. |
24 miles |
D. |
96 miles |
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Hint |
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14. |
Graph the relation represented by y = x2 – x + 1. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
Suppose  has vertices A(3, 4), B(-2, 1) and C(2, –3). Dilate so that its perimeter is one-fourth the original perimeter. What are the coordinates of the vertices 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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16. |
Suppose a matrix equation of a system of equations does not have a unique solution. What cannot be true? |
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A. |
 |
B. |
 |
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C. |
 is undefined |
D. |
ad – bc ? 0 |
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Hint |
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17. |
Which graph best represents the function  ? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
Write the equation  in standard form. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
What type of function is the following? |
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A. |
rational |
B. |
square root |
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C. |
direct variation |
D. |
quadratic |
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Hint |
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20. |
Solve  . Check your solution. |
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A. |
–4 |
B. |
6 |
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C. |
6 and –2 |
D. |
–2 |
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Hint |
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