Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Find the coordinates of
the point.
The point is located on the -axis, seven units in front
of the -plane.
a. | , ,
| b. | , ,
![mc001-9.jpg](chapter_10_pre_test_files/mc001-9.jpg) | c. | , , ![mc001-13.jpg](chapter_10_pre_test_files/mc001-13.jpg) | d. | , , ![mc001-17.jpg](chapter_10_pre_test_files/mc001-17.jpg) | e. | , , ![mc001-21.jpg](chapter_10_pre_test_files/mc001-21.jpg) |
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2.
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Determine the octant(s)
in which is located so that the condition(s) is (are)
satisfied.
![mc002-2.jpg](chapter_10_pre_test_files/mc002-2.jpg)
a. | Octant II | b. | Octants II, IV, VI, VIII | c. | Octants I, II, III | d. | Octants I, II,
III, IV | e. | Octants III, IV, VII, or
VIII |
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3.
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Find the midpoint of
the line segment joining the points.
![mc003-1.jpg](chapter_10_pre_test_files/mc003-1.jpg)
a. | (![mc003-2.jpg](chapter_10_pre_test_files/mc003-2.jpg) , , ) | b. | ( , ![mc003-7.jpg](chapter_10_pre_test_files/mc003-7.jpg) , ) | c. | ( , , ) | d. | ( , , ) | e. | ( , , ) |
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4.
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Find the center and
radius of the sphere.
![mc004-1.jpg](chapter_10_pre_test_files/mc004-1.jpg)
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5.
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Find the magnitude of v.
![mc005-1.jpg](chapter_10_pre_test_files/mc005-1.jpg)
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6.
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Find the magnitude of v.
Initial
point: ![mc006-1.jpg](chapter_10_pre_test_files/mc006-1.jpg) Terminal point: ![mc006-2.jpg](chapter_10_pre_test_files/mc006-2.jpg)
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7.
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Find the dot product of u and
v.
![mc007-1.jpg](chapter_10_pre_test_files/mc007-1.jpg)
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8.
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The vector v and its initial point are
given. Find the terminal point.
![mc008-1.jpg](chapter_10_pre_test_files/mc008-1.jpg)
a. | Terminal point is . | b. | Terminal point is
. | c. | Terminal point is . | d. | Terminal point is . | e. | Terminal point is . |
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9.
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The vector v and its initial point are
given. Find the terminal point.
![mc009-1.jpg](chapter_10_pre_test_files/mc009-1.jpg)
a. | Terminal point is . | b. | Terminal point is
. | c. | Terminal point is . | d. | Terminal point is . | e. | Terminal point is . |
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10.
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Find the dot product of u and
v. u = –6i + 3j –
7k, v = –6i + 9j + 2k
a. | –12i + 12j –
5k | b. | 49 | c. | –5 | d. | 36i +
27j – 14k | e. | 77 |
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11.
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The vector v and its initial point are
given. Find the terminal point. v = ![mc011-1.jpg](chapter_10_pre_test_files/mc011-1.jpg) Initial point: (7, 4,
0)
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12.
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Use the triple scalar product to find the volume of
the parallelepiped having adjacent edges u,v,and w.
![mc012-1.jpg](chapter_10_pre_test_files/mc012-1.jpg)
![mc012-2.jpg](chapter_10_pre_test_files/mc012-2.jpg)
![mc012-3.jpg](chapter_10_pre_test_files/mc012-3.jpg)
a. | cubic
units | b. | cubic
units | c. | cubic
units | d. | cubic
units | e. | cubic
units |
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13.
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Use the vectors u and v to find .
![mc013-2.jpg](chapter_10_pre_test_files/mc013-2.jpg)
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14.
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Find the triple scalar product
for the vectors u = ,
v = , w = ![mc014-4.jpg](chapter_10_pre_test_files/mc014-4.jpg)
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15.
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Find the volume of the parallelepiped with the
given vertices. A(6,–9,9), B(11,–8,5), C (12, –14, 4),
D (17, –13, 0), E (8, –5, 9),
F (13, –4, 5), G (14, –10,4),
H (19, –9, 0)
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16.
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Find the general form of the equation of the plane
passing through the point and perpendicular to the specified vector. [Be sure to reduce the
coefficients in your answer to lowest terms by dividing out any common factor.] (8, 6, 3), n = i – 6j +
k
a. | x – 6y + z + 25 =
0 | b. | 8x + 6y + 3z – 25 =
0 | c. | x – 6y + z – 25 =
0 | d. | x – 6y + z =
0 | e. | 8x + 6y + 3z + 25 =
0 |
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17.
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Find the general form of the equation of the plane
passing through the point and perpendicular to the specified line. [Be sure to reduce the
coefficients in your answer to lowest terms by dividing out any common factor.]
![mc017-1.jpg](chapter_10_pre_test_files/mc017-1.jpg)
a. | 3x – 8y + 4z + 39 =
0 | b. | 3x – 8y + 4z – 39 =
0 | c. | x – 3y + 3z – 39 =
0 | d. | x – 3y + 3z + 39 =
0 | e. | x – 3y + 3z =
0 |
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18.
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Find the general form of the equation of the plane
with the given characteristics. The plane passes through the
point (–2, –3, –5) and is parallel to the yz-plane.
a. | x + y + z =
–10 | b. | y = –3 | c. | z = –5 | d. | y +
z = –8 | e. | x =
–2 |
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19.
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Determine whether the planes are parallel,
orthogonal, or neither. 5x – 2y –
4z = 6 –15x + 6y + 12z =
–16
a. | orthogonal | b. | parallel | c. | neither |
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20.
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Determine whether the planes are parallel,
orthogonal, or neither.
![mc020-1.jpg](chapter_10_pre_test_files/mc020-1.jpg)
a. | Neither | b. | Parallel | c. | Orthogonal |
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