Solved

- A) (2,4,8)( - 2,4,8 ) B) (12,14,18)\left( - \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } \right)

Question 61

Multiple Choice

 Let u represent 1xv represent 1y, and w represent 1z. Solve first for u,v, and w. Then solve the system of equations. \text { Let } u \text { represent } \frac { 1 } { x } \text {, } v \text { represent } \frac { 1 } { y } \text {, and } w \text { represent } \frac { 1 } { z } \text {. Solve first for } u , v \text {, and } w \text {. Then solve the system of equations. }
- 5x1y+3z=2581x8y+7z=1984x1y1z=178\begin{array} { l } \frac { 5 } { x } - \frac { 1 } { y } + \frac { 3 } { z } = - \frac { 25 } { 8 } \\- \frac { 1 } { x } - \frac { 8 } { y } + \frac { 7 } { z } = - \frac { 19 } { 8 } \\\frac { 4 } { x } - \frac { 1 } { y } - \frac { 1 } { z } = - \frac { 17 } { 8 }\end{array}


A) (2,4,8) ( - 2,4,8 )
B) (12,14,18) \left( - \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } \right)
C) (2,4,8) ( - 2,4 , - 8 )
D) (12,14,18) \left( - \frac { 1 } { 2 } , \frac { 1 } { 4 } , \frac { 1 } { 8 } \right)

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