Exam 11: Vectors; Lines, Planes, and Quadric Surfaces in Space

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The cross product of v=3i+2jk\mathbf { v } = - 3 \mathbf { i } + 2 \mathbf { j } - \mathbf { k } and w=2i+jk\mathbf { w } = 2 \mathbf { i } + \mathbf { j } - \mathbf { k } is

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In the three-dimensional Euclidean space, the graph of x2+y24z29=1x ^ { 2 } + \frac { y ^ { 2 } } { 4 } - \frac { z ^ { 2 } } { 9 } = 1 is

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The equation of the plane through (5,1,3) parallel to the yz-plane is

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The cross product of v=3i+jk\mathbf { v } = - 3 \mathbf { i } + \mathbf { j } - \mathbf { k } and w=2i+j3k\mathbf { w } = 2 \mathbf { i } + \mathbf { j } - 3 \mathbf { k } is

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The cross product of v=2i+j2k\mathbf { v } = 2 \mathbf { i } + \mathbf { j } - 2 \mathbf { k } and w=3i+6j2k\mathbf { w } = 3 \mathbf { i } + 6 \mathbf { j } - 2 \mathbf { k } is

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In the three-dimensional Euclidean space, the graph of z2=x2+y24z ^ { 2 } = x ^ { 2 } + \frac { y ^ { 2 } } { 4 } is

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The vector projection of v=2i+3j+k\mathbf { v } = 2 \mathbf { i } + 3 \mathbf { j } + \mathbf { k } onto w=ijk\mathbf { w } = \mathbf { i } - \mathbf { j } - \mathbf { k } is

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The area of the parallelogram PQRS with vertices P=(0,0,3),Q=(2,5,3)P = ( 0,0,3 ) , Q = ( 2 , - 5,3 ) and R=(1,1,2)R = ( 1,1 , - 2 ) is

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Which of the following is not true?

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In the three-dimensional Euclidean space, the graph of x24+y2z216=1\frac { x ^ { 2 } } { 4 } + y ^ { 2 } - \frac { z ^ { 2 } } { 16 } = - 1 is

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Which of the following is not true? ​

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The parametric equations of the line through the points (3,2,1) and (2,4,1) is

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Let , and u=1,1,6,\mathbf { u } = \langle 1,1 , - 6 , \rangle Then v=3,0,8\mathbf { v } = \langle 3,0,8 \rangle is

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In the three-dimensional Euclidean space, the graph of x2+y2=36x ^ { 2 } + y ^ { 2 } = 36 is

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In the three-dimensional Euclidean space, the graph of z2=x24+y216z ^ { 2 } = \frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 16 } is

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The symmetric equations of the line through (3,-2,5) in the direction of x33=y21=z11\frac { x - 3 } { 3 } = \frac { y - 2 } { - 1 } = \frac { z - 1 } { - 1 } is

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Which of the following is not true? ​

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In the three-dimensional Euclidean space, the graph of z=x24y29z = \frac { x ^ { 2 } } { 4 } - \frac { y ^ { 2 } } { 9 } is

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The area of the parallelogram PQRS with vertices P=(1,1,1),Q=(1,2,2)P = ( - 1,1,1 ) , Q = ( - 1,2,2 ) and R=(3,5,4)R = ( - 3,5 , - 4 ) is

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The value of a that makes v=3i4j+ak\mathbf { v } = 3 \mathbf { i } - 4 \mathbf { j } + a \mathbf { k } and w=2ij+5k\mathbf { w } = 2 \mathbf { i } - \mathbf { j } + 5 \mathbf { k } orthogonal is

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