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1. |
The line plot shows the lengths in feet of a group of adult seals. What is the mean length to the nearest tenth? |
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A. |
6.5 ft |
B. |
6.9 ft |
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C. |
7.0 ft |
D. |
7.3 ft |
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Hint |
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2. |
Evaluate 1.5 + |2x - 4| if x = -3. |
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A. |
-0.5 |
B. |
-11.5 |
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C. |
11.5 |
D. |
3.5 |
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Hint |
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3. |
State the solution of the system of equations graphed below. |
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A. |
(3, -1) |
B. |
(3, 1) |
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C. |
(0, 3) |
D. |
(-1, 3) |
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Hint |
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4. |
Use Cramer's rule to solve the system of equations. 
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A. |
(0.011, 0.0055) |
B. |
(0.4, 0.2) |
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C. |
(0.2, 0.4) |
D. |
(-0.4, -0.2) |
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Hint |
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5. |
Find the area of the parallelogram. |
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A. |
(36a2 + 49b2) cm2 |
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B. |
(36a2 - 49b2) cm2 |
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C. |
(36a2 - 84ab - 49b2) cm2 |
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D. |
(12a2 + 14b2) cm2 |
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Hint |
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6. |
Simplify i17. |
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A. |
i |
B. |
-i |
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C. |
1 |
D. |
-1 |
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Hint |
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7. |
Solve 3y2 + 48 = 0. |
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A. |
4 |
B. |
-4 |
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C. |
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D. |
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Hint |
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8. |
Find an equation for the parabola shown in the graph. |
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A. |
y =  (x + 2)2 - 4 |
B. |
y = (x + 2)2 - 4 |
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C. |
y = (x - 2)2 - 4 |
D. |
y = (x - 2)2 + 4 |
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Hint |
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9. |
Solve log5 ( x + 2) + log5 ( 2x - 1) = 2. |
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A. |
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B. |
3 |
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C. |
, 3 |
D. |
no solution |
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Hint |
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10. |
Find ln 6.21 to four decimal places. |
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A. |
0.7931 |
B. |
497.7013 |
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C. |
2.7183 |
D. |
1.8262 |
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Hint |
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11. |
Real Estate Julie bought a house for $100,000 five years ago. If the value of the house has appreciated 5% per year, how much is it worth now? |
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A. |
$127,628.16 |
B. |
$77,378.09 |
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C. |
$119,643.57 |
D. |
$125,000.00 |
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Hint |
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12. |
What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2? |
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A. |
340 |
B. |
1020 |
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C. |
1024 |
D. |
256 |
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Hint |
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13. |
In 1992, 92% of the people surveyed felt that professional athletes were overpaid. If the margin of error for the sampling was 3%, how many people were surveyed? |
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A. |
327 |
B. |
736 |
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C. |
2944 |
D. |
225 |
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Hint |
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14. |
What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis? |
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A. |
H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) |
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B. |
H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5) |
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C. |
H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5) |
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D. |
H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5) |
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Hint |
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15. |
Solve x2 + 7x < –12 algebraically. |
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A. |
{x| –4 < x < –3} |
B. |
{x| 3 < x < 4} |
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C. |
{x| –3 < x < –4} |
D. |
{x| 4 < x < 3} |
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Hint |
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16. |
Simplify  . |
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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. |
Simplify  . |
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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. |
Simplify  . |
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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. |
Find the slope of the line that passes through A and B . |
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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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20. |
The function  has which of the following properties? |
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A. |
It has a hole at (3, 1). |
B. |
f(x) = 1 for all values of x. |
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C. |
It has a hole at (3, 0). |
D. |
f(x) = 0 for all values of x. |
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Hint |
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