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Find an Equation of the Tangent Plant to the Surface z=xyz = \frac { x } { \sqrt { y } }

Question 208

Multiple Choice

Find an equation of the tangent plant to the surface z=xyz = \frac { x } { \sqrt { y } } at the point (4,4,2) ( 4,4,2 ) .


A) z=12x+14y+1z = - \frac { 1 } { 2 } x + \frac { 1 } { 4 } y + 1

B) z=12x14y+1z = - \frac { 1 } { 2 } x - \frac { 1 } { 4 } y + 1
C) z=12x14y+2z = \frac { 1 } { 2 } x - \frac { 1 } { 4 } y + 2
D) z=12x+14y+1z = \frac { 1 } { 2 } x + \frac { 1 } { 4 } y + 1
E) z=12x14y1z = \frac { 1 } { 2 } x - \frac { 1 } { 4 } y - 1
F) z=12x14y+1z = \frac { 1 } { 2 } x - \frac { 1 } { 4 } y + 1

G) z=12x14y+2z = - \frac { 1 } { 2 } x - \frac { 1 } { 4 } y + 2

H) z=12x+14y+2z = \frac { 1 } { 2 } x + \frac { 1 } { 4 } y + 2

Correct Answer:

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