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Find a Parametric Representation for the Part of the Elliptic x+y2+2z2=7x + y ^ { 2 } + 2 z ^ { 2 } = 7

Question 121

Multiple Choice

Find a parametric representation for the part of the elliptic paraboloid x+y2+2z2=7x + y ^ { 2 } + 2 z ^ { 2 } = 7 that lies in front of the plane x = 0.


A) x=7y22z2,y=y,z=y,y2+2z27x = 7 - y ^ { 2 } - 2 z ^ { 2 } , y = y , z = y , y ^ { 2 } + 2 z ^ { 2 } \leq 7
B) x=x,y=7x+2z2,z=zx = x , y = \sqrt { 7 - x + 2 z ^ { 2 } } , z = z
C) x=x,y=±7x+2z2,z=zx = x , y = \pm \sqrt { 7 - x + 2 z ^ { 2 } } , z = z
D) x=7y22z2,y=y,z=y,0y2+2z23x = 7 - y ^ { 2 } - 2 z ^ { 2 } , y = y , z = y , 0 \leq y ^ { 2 } + 2 z ^ { 2 } \leq 3
E) x=7y22z2,y=y,z=y,y2+2z27x = 7 - y ^ { 2 } - 2 z ^ { 2 } , y = y , z = y , y ^ { 2 } + 2 z ^ { 2 } \geq 7

Correct Answer:

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