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1. |
Solve |t - 16| = 20. |
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A. |
{-4, 36} |
B. |
{4, -36} |
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C. |
{4, 36} |
D. |
{-4, -36} |
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Hint |
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2. |
Simplify  |
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A. |
13 |
B. |
-13 |
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C. |
±13 |
D. |
±84.5 |
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Hint |
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3. |
Solve the system of equations.
x + y = 5
(x - 1)2 + y2 = 8 |
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A. |
no solution |
B. |
(3, 2) |
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C. |
 |
D. |
(3, -2) |
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Hint |
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4. |
The function whose graph is shown has _____. |
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 |
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A. |
two relative minima |
B. |
one relative minimum |
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C. |
no relative maxima |
D. |
two relative maxima |
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Hint |
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5. |
 |
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A. |
±1.022 |
B. |
1.648 |
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C. |
1.022 |
D. |
-2.266 |
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Hint |
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6. |
What is Sn if a1 = 27.5, d = 1.5, and n = 35? |
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A. |
1855 |
B. |
1245 |
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C. |
2152.5 |
D. |
98,175 |
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Hint |
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7. |
 is an acute angle of a right triangle. If sin  find cos and
tan . |
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A. |
cos  and
tan  |
B. |
cos  and
tan |
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C. |
cos  and
tan |
D. |
cos and
tan |
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Hint |
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8. |
Determine the exact value of sin 150°. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Solve the inequality | f | > 4. |
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A. |
{f | -4 > f > 4} |
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B. |
{f | f < -4 or f > 4} |
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C. |
{f | -4 < f < 4} |
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D. |
{f | f > -4 or f < 4} |
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Hint |
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10. |
The temperature in degrees Fahrenheit can be expressed by the function F(c) = 1.8c + 32 where c is the temperature in degrees Celsius. Find the temperature in degrees Fahrenheit (to the nearest degree) if it is 18° C outside. |
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A. |
212 |
B. |
20 |
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C. |
64 |
D. |
42 |
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Hint |
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11. |
Solve the system of equations4x – 2y = 2, –3x + 7y = –29 |
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A. |
(–2, –5) |
B. |
no solution |
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C. |
(–2, 5) |
D. |
(2, –5) |
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Hint |
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12. |
Evaluate  |
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A. |
486 |
B. |
81 |
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C. |
27 |
D. |
9 |
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Hint |
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13. |
Solve by graphing. |
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A. |
x = 0 |
B. |
no real roots |
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C. |
x = 2 |
D. |
x = –2 |
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Hint |
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14. |
Which of the following functions will have the widest graph? |
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A. |
y = 3x2 – 8 |
B. |
y =  x2 +3x + 1 |
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C. |
y =  x2 + x – 3 |
D. |
y = –2x2 + 5x – 1 |
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Hint |
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15. |
What is an equation for a circle if the endpoints of a diameter are at (3, 4) and (-3, -2)? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Simplify the expression  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
Which of the following functions has a hole and a vertical asymptote? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
Which of the following supports the claim that –4 + x = 9? |
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A. |
x = –5 |
B. |
x is negative |
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C. |
x = 5 |
D. |
x is positive |
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Hint |
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19. |
Describe the set of data
{33, 35, 38, 44, 45, 45, 46, 46, 46, 47}. |
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A. |
positively skewed |
B. |
normal distribution |
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C. |
negatively skewed |
D. |
cannot be determined |
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Hint |
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20. |
Find the exact value of  . |
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A. |
 |
B. |
2 |
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C. |
 |
D. |
|
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Hint |
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