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1. |
Solve  |
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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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2. |
Which is the standard form of a linear equation? |
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A. |
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B. |
3x2 + y = 5 |
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C. |
4x - 9y = 1 |
D. |
y = 2x - 3 |
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Hint |
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3. |
The product  gives the coordinates of two points on line AB that has been rotated 90° counterclockwise about the origin. Name the coordinates of A' and B'. |
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A. |
A'(-1, -3), B'(1, 1) |
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B. |
A'(-1, 1), B'(1, -3) |
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C. |
A'(1, -3), B'(1, 1) |
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D. |
A'(1, 1), B'(-1, -3) |
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Hint |
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4. |
Express 45,280,000 in scientific notation. |
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A. |
4.528 × 10-7 |
B. |
4.528 × 107 |
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C. |
4.528 × 106 |
D. |
45.28 × 106 |
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Hint |
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5. |
Simplify (4r - s) - (r + 2s) + (3r - s). |
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A. |
6r - 3s |
B. |
8r |
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C. |
6r - 4s |
D. |
3r - 2s |
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Hint |
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6. |
Solve the equation (x -2)(x + 2) = 0. |
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A. |
-2, 2 |
B. |
2 |
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C. |
-2 |
D. |
2, 0 |
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Hint |
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7. |
The curve shown is________. |
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A. |
not skewed |
B. |
positively skewed |
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C. |
normal |
D. |
negatively skewed |
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Hint |
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8. |
Find the coordinates of the foci of a hyperbola with equation  |
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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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9. |
Solve log4 3 + log4 x = log4 18. |
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A. |
6 |
B. |
12 |
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C. |
54 |
D. |
15 |
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Hint |
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10. |
Find a9 for the geometric sequence  . |
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A. |
16 |
B. |
1 |
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C. |
4 |
D. |
8 |
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Hint |
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11. |
Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5. |
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A. |
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B. |
1.5 |
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C. |
64 |
D. |
63.75 |
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Hint |
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12. |
A box of crayons contains 8 blue, 9 red, and 13 yellow. Find the probability of first choosing a yellow, then a blue, and then another yellow crayon if there is no replacement. |
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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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13. |
In a random survey of 600 students in a school, 75% of the students said that they participated in extra-curricular activities. Find the margin of error for the sampling. |
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A. |
0.0003125 |
B. |
0.0353553 |
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C. |
0.0004167 |
D. |
0.0176777 |
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Hint |
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14. |
Solve 2.4x + 1.7y = 8.2, 3.8x – 0.8y = 5.3. Round to the nearest hundredth. |
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A. |
(1.86, –2.20) |
B. |
(–1.86, 2.20) |
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C. |
(1.86, 2.20) |
D. |
(–1.86, –2.20) |
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Hint |
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15. |
Solve:  |
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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. |
Solve  |
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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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17. |
Write the equation  in standard form. |
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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. |
Evaluate ln e3 -4x. |
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A. |
(3 – 4x)log 10 e |
B. |
3 – 4x |
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C. |
4x – 3 |
D. |
e3 – e4x |
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Hint |
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19. |
What is the equation of an arithmetic sequence in which a1 = 3 and d = 6? |
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A. |
an = 3 + 3n |
B. |
an = 3 + 6n |
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C. |
an = –3 + 6n |
D. |
an = 6 + 3n |
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Hint |
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20. |
Evaluate  |
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A. |
434 |
B. |
372 |
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C. |
377 |
D. |
403 |
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Hint |
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