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xy+z=7x-y+z=7 x+y+z=3x+y+z=-3 x+yz=11\mathrm{x}+\mathrm{y}-\mathrm{z}=-11 A) (4,5,2)(4,-5,-2) B) (2,5,4)(-2,-5,4) C) (4,2,5)(4,-2,-5) D) (2,4,5)(-2,4,-5)

Question 189

Multiple Choice

xy+z=7x-y+z=7
x+y+z=3x+y+z=-3
x+yz=11\mathrm{x}+\mathrm{y}-\mathrm{z}=-11


A) (4,5,2) (4,-5,-2)
B) (2,5,4) (-2,-5,4)
C) (4,2,5) (4,-2,-5)
D) (2,4,5) (-2,4,-5)

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