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1. |
Find the y-intercept of the graph of 2x - 5y = 10. |
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A. |
-2 |
B. |
0 |
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C. |
5 |
D. |
2 |
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Hint |
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2. |
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. |
830 mph |
B. |
980 mph |
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C. |
700 mph |
D. |
600 mph |
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Hint |
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3. |
When two lines have different slopes, the graphs of the equations are _________ |
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A. |
parallel lines. |
B. |
horizontal lines. |
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C. |
the same line. |
D. |
intersecting lines. |
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Hint |
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4. |
What is the first step in solving the matrix equation
 |
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A. |
Divide each side of the matrix equation by  |
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B. |
Multiply each side of the matrix equation by the identity matrix. |
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C. |
Find the inverse of  |
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D. |
Multiply each side of the matrix equation by  |
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Hint |
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5. |
Write an equation for the graph shown below. |
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A. |
 |
B. |
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C. |
y = (x + 2)2 - 1 |
D. |
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Hint |
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6. |
Which is the quadratic term in the function f(x) = 3x2 + 6x - 4? |
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A. |
3x2 + 6x - 4 |
B. |
x2 |
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C. |
3x2 |
D. |
3 |
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Hint |
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7. |
Find the coordinates of the foci of a hyperbola with equation  |
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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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8. |
Find f(x + h) for f(x) = x2 + 2x. |
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A. |
x2 + 2x + 2h |
B. |
x2 + 2x + h |
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C. |
x2 + 2xh + h2 + 2x |
D. |
x2 + 2xh + h2 + 2x + 2h |
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Hint |
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9. |
Evaluate p · (p + 3q) r if p = -7, q = 4, and r = -16. |
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A. |
77 |
B. |
-51 |
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C. |
-19 |
D. |
45 |
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Hint |
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10. |
Name the property of equality illustrated by the following statement. If n 3 = 5 + 4, then n 3 = 9. |
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A. |
Transitive |
B. |
Symmetric |
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C. |
Substitution |
D. |
Reflexive |
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Hint |
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11. |
If and find 4A 5B. |
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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. |
Vince and Brian each need two kinds of items at the store. Vince bought 10 of item A and 14 of item B, and spent $97. Brian bought 8 of item A and 25 of item B, and spent $119. How much did each item cost? |
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A. |
item A = $5.50 item B = $3 |
B. |
item A = $1.14 item B = $2.10 |
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C. |
item A = $2.10 item B = $1.14 |
D. |
item A = $3 item B = $5.50 |
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Hint |
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13. |
Find the inverse of if it exists. |
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A. |
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B. |
does not exist, since ad bc = 0 |
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C. |
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D. |
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Hint |
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14. |
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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15. |
If the vertex of a parabola is (3, -4), what is its axis of symmetry? |
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A. |
y = 3 |
B. |
x = -4 |
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C. |
x = 3 |
D. |
y = -4 |
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Hint |
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16. |
In the equation y = x2 5, what is the axis of symmetry, and what is the minimum? |
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A. |
x = 0, min =  |
B. |
x = 5, min = 0 |
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C. |
x = 0, min = 5 |
D. |
x = , min = 0 |
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Hint |
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17. |
Which graph of the following functions will be strictly above the graph 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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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. |
$13 |
B. |
$169 |
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C. |
$20 |
D. |
$9.92 |
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Hint |
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19. |
Write an equation for the ellipse whose endpoints of its major axis are at (-3, 1) and (5, 1), and that of its minor axis are at (1, -1) and (1, 3). |
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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. |
If the length of the transverse axis is 10 units, and the length of the conjugate axis is 6 units, what are the coordinates of the vertices? |
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A. |
Cannot be determined from given information. |
B. |
(5, 0) and (-5, 0) |
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C. |
(3, 5) and (3, -5) |
D. |
(0, 5) and (0, -5) |
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Hint |
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