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1. |
Find a linear equation that can model the data shown in the graph. |
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A. |
3x - 2y + 6 = 0 |
B. |
2x + 3y + 6 = 0 |
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C. |
2x + 5y - 3 = 0 |
D. |
2x -3y + 6 = 0 |
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Hint |
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2. |
Write the standard form of the equation of the line that passes through the point (-1, 3) and is parallel to the graph of 2x - 7y + 1 = 0. |
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A. |
2x - 7y + 23 = 0 |
B. |
2x + 7y + 23 = 0 |
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C. |
2x - 7y - 23 = 0 |
D. |
2x + 7y - 23 = 0 |
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Hint |
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3. |
Which is an even function? |
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A. |
y = x |
B. |
y = 2x - 1 |
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C. |
y = -x |
D. |
y = x2 |
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Hint |
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4. |
If y varies inversely as x and y = 12 when x = 7, find x when y = 2. |
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A. |
42 |
B. |
5 |
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C. |
10 |
D. |
7 |
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Hint |
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5. |
Determine between which consecutive integers the real zeros of
f(x) = x4 - 4x2 + x - 3 are located. |
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A. |
between -2 and -1 and between 2 and 3 |
B. |
between -4 and -3 and between 3 and 4 |
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C. |
between -3 and -2 and between 5 and 6 |
D. |
between -3 and -2 and between 2 and 3 |
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Hint |
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6. |
Determine the type of polynomial function that could be used to represent the data in the following scatter plot. |
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A. |
quadratic |
B. |
cubic |
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C. |
quartic |
D. |
linear |
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Hint |
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7. |
Identify all angles that are coterminal with angle 35°. |
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A. |
35° + 360k°, k is an integer |
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B. |
35° + 90k°, k is an integer |
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C. |
35° + 180k°, k is an integer |
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D. |
35° + 270k°, k is an integer |
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Hint |
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8. |
If f = 9 and d = 13, find the measure of  . |
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A. |
about 55.3° |
B. |
about 34.7° |
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C. |
about 43.8° |
D. |
about 46.2° |
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Hint |
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9. |
If A = 39° and b = 7.2, find c. |
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A. |
about 11.4 units |
B. |
about 9.3 units |
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C. |
about 5.6 units |
D. |
about 8.9 units |
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Hint |
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10. |
Simplify cos x tan x. |
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A. |
csc x |
B. |
sin x |
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C. |
cos x |
D. |
1 |
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Hint |
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11. |
Find the magnitude of  for T(4, 0, -6) and M(5, -1, 0). |
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A. |
 |
B. |
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C. |
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D. |
6 |
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Hint |
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12. |
Express  in rectangular form. |
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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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13. |
Find the product 5(cos 120° + i sin 120°) · 2(cos 90° + i sin 90°). Express the result in rectangular form. |
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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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14. |
Find the distance between P(5, -3) and the line with equation
5x + 12y = 18. |
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A. |
13 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
The image of  after Rot180 · Ry-axis is the same as which other reflection, if the vertices are A(1,1), B(2,6), C(6,4)? |
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A. |
reflection over the x-axis |
B. |
reflection over the y-axis |
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C. |
none of these |
D. |
reflection over the line y = x |
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Hint |
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16. |
Determine the equation of the horizontal asymptote for the function:
f(x) =  + 2. |
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A. |
y = 0 |
B. |
y = 2 |
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C. |
x = 0 |
D. |
y = -2 |
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Hint |
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17. |
Two vectors  and  are perpendicular if ________. |
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A. |
their inner product is v1w1 +v2w2 |
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B. |
their inner product equals zero |
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C. |
their dot product is equal to their cross product |
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D. |
their cross product equals zero |
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Hint |
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18. |
The point P with polar coordinates  can also be represented in polar coordinates as __________. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Write the equation  in rectangular form. |
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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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20. |
Identify the graph of the equation 4x2 +3xy + 6y2 - 6 = 0 then find  to the nearest degree. |
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A. |
ellipse; - 28° |
B. |
hyperbola; - 28° |
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C. |
parabola;  |
D. |
circle; -56° |
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Hint |
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