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1. |
Express 0.0000421 in scientific notation. |
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A. |
4.21 × 10-4 |
B. |
4.21 × 10-5 |
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C. |
4.21 × 10-9 |
D. |
4.21 × 10-6 |
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Hint |
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2. |
Solve 3r + 5 > 26. |
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A. |
r > 21 |
B. |
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C. |
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D. |
r > 7 |
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Hint |
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3. |
Use elimination to solve the system of equations shown below.
2x - 4y = -5
3x + 4y = -15 |
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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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4. |
Determine the slope of the line containing the points P(-7, -8) and
Q(3, 0). |
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A. |
-2 |
B. |
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C. |
2 |
D. |
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Hint |
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5. |
Find (4r + 7s)(4r - 7s) |
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A. |
16r2 + 56rs + 49s2 |
B. |
16r2 + 49s2 |
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C. |
16r2 - 49s2 |
D. |
16r2 - 56rs + 49s2 |
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Hint |
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6. |
The graph of y = -4x2 - 1 is _____. |
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A. |
None of these is correct. |
B. |
a parabola |
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C. |
a straight line |
D. |
a circle |
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Hint |
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7. |
Solve x2 – x – 72 = 0. |
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A. |
x = 9 |
B. |
x = 8 or x = -9 |
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C. |
x = -8 |
D. |
x = -8 or x = 9 |
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Hint |
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8. |
What is the equation of the graph shown? |
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A. |
f(x) = -2x2 + 2x + 1 |
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B. |
f(x) = 2x2 - 2x + 1 |
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C. |
f(x) = -2x2 + 2x - 1 |
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D. |
f(x) = 2x2 + 2x + 1 |
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Hint |
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9. |
Solve 2z2 + z - 4 = 0 by completing the square. |
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A. |
-2, 1 |
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. |
(4, –3), (2, –2), (–4, 1) |
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B. |
(–1, 1), (2, 3), (5, 2) |
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C. |
(–5, –3), (–2, 3), (2, –4) |
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D. |
(3, 1), (4, 0), (–1, 2) |
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Hint |
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11. |
Find the graph of y = x2 + 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. |
Find the cubic equation. |
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A. |
y = 5x3 + 2x |
B. |
y = x2 + 5 |
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C. |
y = x(x3 + 1) |
D. |
y = 3x |
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Hint |
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13. |
Consider the equation xy = 3. What happens to the value of y when x doubles? |
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A. |
y quarters |
B. |
y triples |
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C. |
y halves |
D. |
y doubles |
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Hint |
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14. |
Find a solution to the equation by doing the same thing to both sides.
3(5f + 7) + 9(f + 4) = 9 |
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A. |
f = –2 |
B. |
f = –10 |
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C. |
f = –12 |
D. |
f = –9 |
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Hint |
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15. |
What angle of rotation does the figure below have? |
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A. |
35° |
B. |
45° |
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C. |
40° |
D. |
30° |
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Hint |
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16. |
Find the quotient. Simplify |
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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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17. |
Consider the function f(x) = 3x – 1. Write the new equation of the function after it has been translated 2 units to the right. |
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A. |
f(x) = 3x + 1 |
B. |
f(x) = 3x + 5 |
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C. |
f(x) = 5x – 1 |
D. |
f(x) = 3x – 7 |
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Hint |
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18. |
Suppose you spin one spinner numbered 1 to 3 and another spinner numbered 1 to 5, and multiply the two outcomes. How many possible number pairs can you roll? |
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A. |
20 |
B. |
8 |
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C. |
3 |
D. |
15 |
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Hint |
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19. |
Suppose one player rolls a 6-sided die numbered 1 to 6, and a second player rolls an 8-sided die numbered 1 to 8. They find the difference between the numbers subtracting the lesser number from the greater number. Which difference gives the greatest probability? |
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A. |
4 |
B. |
2 |
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C. |
3 |
D. |
1 |
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Hint |
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20. |
In a state lottery held twice per week, players choose 6 numbers from 1 to 54. Find the number of ways the first six numbers can be selected (if order mattered.) |
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A. |
54 |
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B. |
25,827,165 |
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C. |
18,595,558,800 |
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D. |
324,000 |
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Hint |
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