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1. |
Express 0.0000421 in scientific notation. |
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A. |
4.21 × 10-6 |
B. |
4.21 × 10-9 |
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C. |
4.21 × 10-4 |
D. |
4.21 × 10-5 |
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Hint |
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2. |
Select the figure that is not a reflection. |
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A. |
M | M |
B. |
 |
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C. |
H | H |
D. |
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Hint |
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3. |
Find . |
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A. |
-14 |
B. |
-15 |
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C. |
15 |
D. |
14 |
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Hint |
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4. |
Find a number that when squared equals 484. |
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A. |
22 or -22 |
B. |
22 only |
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C. |
-22 only |
D. |
None of these is correct |
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Hint |
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5. |
The greatest power in a quadratic function is ______. |
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A. |
3 |
B. |
1 |
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C. |
2 |
D. |
4 |
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Hint |
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6. |
Use the quadratic formula to solve x2 + 2x - 8 = 0. |
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A. |
-2 |
B. |
-4, 2 |
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C. |
-4, -2 |
D. |
-4 |
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Hint |
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7. |
Solve 2z2 + z - 4 = 0 by completing the square. |
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A. |
 |
B. |
 |
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C. |
-2, 1 |
D. |
 |
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Hint |
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8. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The equation has the form y = mx + b. |
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B. |
The equation has the form y = mx. |
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C. |
The graph does not pass through (0, 0). |
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D. |
Variables x and y are not proportional. |
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Hint |
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9. |
Find the table that represents a graph with direct variation. |
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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. |
Which three points are collinear? |
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A. |
(–5, 2), (1, 1), (4, 4) |
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B. |
(1, 2), (–3, –2), (–2, –4) |
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C. |
(3, –1), (2, 5), (2, –3) |
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D. |
(–4, 4), (0, –4), (–1, –2) |
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Hint |
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11. |
John and Margaret have both ridden on the roller coaster called The Scream. Margaret has ridden it eight more than three times the number than John has. She also has ridden it five times the number John has. How many times has John ridden The Scream? |
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A. |
6 |
B. |
3 |
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C. |
20 |
D. |
4 |
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Hint |
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12. |
Find the angle of rotation for the following figure. |
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A. |
–320° |
B. |
–40° |
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C. |
140° |
D. |
–140° |
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Hint |
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13. |
Find the correct representation of a triangle reflected over line l, and then reflected over line m. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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14. |
Expand the expression.(2s + 6)(2s – 6) |
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A. |
4s2 – 36 |
B. |
4s2 – 24s– 36 |
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C. |
4s2 + 24s– 36 |
D. |
4s2 + 36 |
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Hint |
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15. |
Find the solutions of the equation.4y2 – 16 = 0 |
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A. |
y = and y =  |
B. |
y = –2 and y = –2 |
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C. |
y = 2 and y = –2 |
D. |
y = and y =  |
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Hint |
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16. |
Find the solutions of the equation.–2(x – 7) 2 = –32 |
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A. |
x = 3 and x = –11 |
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B. |
x = –3 and x = 11 |
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C. |
x = 3 and x = 11 |
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D. |
x = –3 and x = –11 |
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Hint |
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17. |
Identify the perfect square trinomial. |
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A. |
x2 – 7x + 12 |
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B. |
25x2 + 10x + 1 |
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C. |
x2 – 16 |
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D. |
4x2 + 6x + 2 |
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Hint |
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18. |
Prospect High School decided to add a new parking lot for its increased student population. They just bought 15,000 ft2 of land next to the school. The only requirement of the new parking lot is that the length should be 100 feet more than the width. Approximately what is the length and width of the parking lot? |
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A. |
length: 180.56 ftwidth: 80.56 ft |
B. |
length: 184.17 ftwidth: 84.17 ft |
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C. |
length: 300.03 ftwidth: 50.03 ft |
D. |
length: 182.29 ftwidth: 82.29 ft |
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Hint |
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19. |
Consider a function machine that gives the positive square root of the input. If the input is , what is the output? |
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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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20. |
Hector needs to build a rectangular pen for his dog. He decides to use an area of 50 m2 in his backyard for the pen. Using w for the width, find a function f(w) that represents the perimeter of the fence in terms of w. |
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A. |
 |
B. |
l + w = 50 |
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C. |
lw = 50 |
D. |
l = 50 – w |
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Hint |
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