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1. |
The values in the graph below are _______ |
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A. |
irrational numbers. |
B. |
integers. |
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C. |
natural numbers. |
D. |
rational numbers. |
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Hint |
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2. |
State the slope and y-intercept of the graph of -y = -0.9x + 4. |
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A. |
m = 4, b = -0.9 |
B. |
m = -0.9, b = 4 |
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C. |
m = 0.9, b = -4 |
D. |
m = -4, b = 0.9 |
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Hint |
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3. |
State the number of solutions to the system of equations graphed below. |
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A. |
2 |
B. |
infinitely many |
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C. |
0 |
D. |
1 |
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Hint |
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4. |
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, -3), B'(1, 1) |
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C. |
A'(1, 1), B'(-1, -3) |
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D. |
A'(-1, 1), B'(1, -3) |
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Hint |
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5. |
Find the determinant of  |
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A. |
-16 |
B. |
0 |
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C. |
-11 |
D. |
-21 |
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Hint |
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6. |
Find the coordinates of the foci of an ellipse 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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7. |
Which is the graph of 4x2 + 9y2 + 16x -18y -11 = 0? |
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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 p(2) for p(x) = x4 + 3x3 - 2x2 - 4x + 1. |
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A. |
25 |
B. |
-7 |
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C. |
12 |
D. |
-1 |
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Hint |
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9. |
Find ln 0.732 to four decimal places. |
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A. |
-0.4624 |
B. |
-0.4719 |
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C. |
-0.5227 |
D. |
-0.3120 |
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Hint |
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10. |
What are the first three terms of the arithmetic series if a1 = -1,
an = -115, and Sn = -1160? |
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A. |
-1160, -1166, -1172 |
B. |
20, 14, 8 |
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C. |
-115, -121, -127 |
D. |
-1, -7, -13 |
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Hint |
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11. |
Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms. |
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A. |
-635 |
B. |
-527 |
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C. |
-599 |
D. |
-689 |
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Hint |
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12. |
Solve  |
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A. |
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B. |
{y | y < 21} |
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C. |
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D. |
{y | y  21} |
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Hint |
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13. |
Which of the following systems of equations is inconsistent? |
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A. |
4y – x = 12 3y – 2x = 1 |
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B. |
y = 2x – 3 y = –3x + 4 |
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C. |
3y + 2x = 13 6y + 4x = 3 |
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D. |
y = 7x – 2 y = –2x – 5 |
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Hint |
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14. |
Simplify (7x2 + 2x – 3) – (2x2 – 11x + 4) |
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A. |
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B. |
5x2 + 13x – 7 |
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C. |
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D. |
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Hint |
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15. |
Which graph of the following functions will be strictly above the graph of  ? |
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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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16. |
When is it true that  ? |
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A. |
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B. |
 |
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C. |
all real numbers |
D. |
-1 |
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Hint |
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17. |
Which of the following points will not be included in the graph of ? |
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A. |
(5, 8) |
B. |
(1, 5) |
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C. |
(6, 6) |
D. |
(3, 2) |
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Hint |
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18. |
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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19. |
Solve the equation 2 log 6 x – log 6 5 = log 6 125. |
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A. |
–25 |
B. |
312.5 |
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C. |
no solution |
D. |
25 |
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Hint |
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20. |
In order to write  as a fraction, by what factor should we multiply S in order to obtain a second equation? |
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A. |
10 |
B. |
1000 |
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C. |
100 |
D. |
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Hint |
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