Give the value of k for which the system of equations below does not have a unique solution. 2x+3y+z=12 4x + 5y +(2+k) z=20 x+2y+z=8 a) k=1 b)=2 c) k=-3 d) k=-2 e) ○ k=-1 f) O None of the above.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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Author:HOLT MCDOUGAL
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Chapter8: Linear Functions
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Give the value of k for which the system of equations below does not have a unique solution.
2x+3y+z=12
4x + 5y +(2+k) z=20
x+2y+z=8
a) k=1
b) k=2
c) k=-3
d) k=-2
e) k=-1
f) O None of the above.
Transcribed Image Text:Give the value of k for which the system of equations below does not have a unique solution. 2x+3y+z=12 4x + 5y +(2+k) z=20 x+2y+z=8 a) k=1 b) k=2 c) k=-3 d) k=-2 e) k=-1 f) O None of the above.
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