Exam 11: Analytic Geometry In Three Dimensions

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Find the general form of the equation of the plane passing through the three points.[Be sure to reduce the coefficients in your answer to lowest terms by dividing out any common factor.] (-4,4,-1), (1,6,2), (-5,-3,6)

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Find symmetric equations for the line through the point and parallel to the specified line. (7,6,8)( - 7,6 , - 8 ) , parallel to x=-4-4t y=-2+2t z=1-5t

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Determine the octant(s)in which (x,y,z)is located so that the conditions are satisfied. x > 0,y > 0,z > 0 ​

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Find the midpoint of the line segment joining the points. (1,3,8),(9,4,3)( - 1,3,8 ) , ( 9 , - 4,3 )

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A spherical building has a diameter of 201201 feet.The center of the building is placed at the origin of a three-dimensional coordinate system.What is the equation of the sphere?

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Find the area of the parallelogram that has the vectors as adjacent sides. =(9,9,-11) =(9,0,11)

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Find the standard form of the equation of the sphere with the given characteristics. Center: (7,0,14)( 7,0 , - 14 ) ;diameter: 14

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Determine whether u and v are parallel,orthogonal,or neither. u = (1,9,2)( 1,9 , - 2 ) ,v = (2,0,1)( 2,0,1 )

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Find the magnitude of the vector described below. Initial point: (-3,7,-5) Terminal point: (8,-3,4)

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Determine whether the planes are parallel,orthogonal,or neither. 5x - y + z = -4 -x - 6y - z = -2

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Find a set of parametric equations for the line through the point and parallel to the specified vector or line.(For each line,write the direction numbers as integers. ) Point: (0,0,0) Parallel to: v=(5,6,7)\mathbf { v } = ( 5,6,7 )

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Find the general form of the equation of the plane passing through the point and perpendicular to the specified vector or line. Point: (3,2,6)( 3,2,6 ) Perpendicular to: n=in = i

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Find the magnitude of v. v=3i2j+k\mathbf { v } = - 3 \mathbf { i } - 2 \mathbf { j } + \mathbf { k }

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Find the angle Θ\Theta between the vectors.Round your answer to two decimal places. =(0,4,4) =(5,0,-6)

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Find the angle of intersection of the planes in degrees.Round to a tenth of a degree. 3x + 2y - 6z = -5 -6x + 3y + z = 1

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Find the angle between the two planes in degrees.Round to a tenth of a degree. 3x - 4y + z = -6 2x + y + 3z = 0

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Find a unit vector in the direction opposite of u. u=9i+4jk\mathbf { u } = 9 \mathbf { i } + 4 \mathbf { j } - \mathbf { k }

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Find a set of symmetric equations for the line through the point and parallel to the specified vector or line. Point: (6,2,2)( 6 , - 2,2 ) Parallel to: v=(3,4,10)\mathbf { v } = ( 3 , - 4 , - 10 )

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Use the triple scalar product to find the volume of the parallelepiped having adjacent edges u,v,and w. =++5 =5+5 =5+5  Use the triple scalar product to find the volume of the parallelepiped having adjacent edges u,v,and w.   \begin{array} { l }  \mathbf { u } = \mathbf { i } + \mathbf { j } + 5 \mathbf { k } \\ \mathbf { v } = 5 \mathbf { j } + 5 \mathbf { k } \\ \mathbf { w } = 5 \mathbf { i } + 5 \mathbf { k } \end{array}      \mathrm { a } = ( 1,1,5 ) , \mathrm { b } = ( 0,5,5 ) , \mathrm { c } = ( 5,0,5 )   a=(1,1,5),b=(0,5,5),c=(5,0,5)\mathrm { a } = ( 1,1,5 ) , \mathrm { b } = ( 0,5,5 ) , \mathrm { c } = ( 5,0,5 )

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Find a unit vector in the direction of u u=10i+5jk\mathbf { u } = 10 \mathbf { i } + 5 \mathbf { j } - \mathbf { k }

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