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1. |
Express 0.0000421 in scientific notation. |
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A. |
4.21 × 10-9 |
B. |
4.21 × 10-6 |
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C. |
4.21 × 10-5 |
D. |
4.21 × 10-4 |
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Hint |
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2. |
Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6? |
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A. |
y = -2x + 1 |
B. |
y = 4x + 3 |
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C. |
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D. |
y = 2x |
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Hint |
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3. |
Simplify Assume the denominator is not equal to zero. |
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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. |
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B. |
2 |
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C. |
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D. |
-2 |
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Hint |
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5. |
Find  |
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A. |
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B. |
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C. |
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D. |
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6. |
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 or x = -9 |
D. |
x = -8 |
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Hint |
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7. |
Find . |
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A. |
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B. |
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C. |
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D. |
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8. |
Find the difference:  |
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A. |
-3x2 - 7x - 5 |
B. |
-3x2 + x - 5 |
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C. |
-3x2 - 7x + 1 |
D. |
3x2 - 7x - 5 |
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Hint |
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9. |
Find the situation that involves a decreasing linear relationship and has direct variation. |
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A. |
The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours. |
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B. |
A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second. |
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C. |
An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport. |
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D. |
A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second. |
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Hint |
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10. |
What is the new equation if the graph y = 2x3 – 6x2 is moved down 1 unit? |
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A. |
y = 2x3 – 5x2 |
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B. |
y = x3 – 6x2 |
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C. |
y = 2x3 – 6x2 – 1 |
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D. |
y = 2x3 – 6x2 + 1 |
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Hint |
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11. |
Find a solution to the equation using backtracking.
 |
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A. |
c = –1 |
B. |
c = 8 |
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C. |
c = 2 |
D. |
c = –14 |
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Hint |
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12. |
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 = –12 |
B. |
f = –2 |
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C. |
f = –9 |
D. |
f = –10 |
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Hint |
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13. |
Using the figure below as a basic design element, choose a center of rotation and make a design with a 60° angle of rotation. Choose the correct figure. |
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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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14. |
Find the rule for the translation below. |
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A. |
rule: (x, y) (x – 1, y + 7) |
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B. |
rule: (x, y) (x – 1, y – 7) |
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C. |
rule: (x, y) (x + 7, y + 1) |
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D. |
rule: (x, y) (x – 7, y – 1) |
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Hint |
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15. |
Start with a square with side length. Create a large rectangle by adding two more squares of the same size, and remove a strip with a width of 1. What is the area of the new rectangle? |
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A. |
x (x + 3) = x2 + 3x |
B. |
x (3x – 1) = 3x2 – x |
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C. |
x (3x + 1) = 3x2 + x |
D. |
x (x – 1) = x2 – x |
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Hint |
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16. |
Expand the expression.(6p – 7) 2 |
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A. |
36p2 – 84p + 49 |
B. |
36p2 + 84p – 49 |
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C. |
36p2 – 49 |
D. |
36p2 + 49 |
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Hint |
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17. |
Expand the expression.(2s + 6)(2s – 6) |
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A. |
4s2 – 24s– 36 |
B. |
4s2 + 24s– 36 |
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C. |
4s2 + 36 |
D. |
4s2 – 36 |
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Hint |
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18. |
Find the correct equation for the flowchart. |
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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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19. |
Rewrite the expression as a product of two binomials.x2 – x – 56 |
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A. |
(x + 7)(x + 8) |
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B. |
(x + 7)(x – 8) |
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C. |
(x – 7)(x – 8) |
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D. |
(x – 7)(x + 8) |
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Hint |
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20. |
In the quadratic formula, what does b2 – 4ac tell you. |
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A. |
the solution(s) in a quadratic equation |
B. |
the vertex of a quadratic equation |
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C. |
the number of solutions in a quadratic equation |
D. |
the places where a quadratic equation crosses the x-axis |
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Hint |
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