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17-09-2018
Mathematics

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What is the solution to the following system?
A. Infently many solutions
B. no solutions
C. (3, 8)
D. (-3, -8)

What is the solution to the following system A Infently many solutions B no solutions C 3 8 D 3 8 class=

Respuesta :

17-09-2018

[tex]\left\{\begin{array}{ccc}-2x-y=1&|\cdot(-2)\\-4x-2y=-1\end{array}\right\\\underline{+\left\{\begin{array}{ccc}4x+2y=-2\\-4x-2y=-1\end{array}\right}\ \ \ |\text{add both sides}\\.\ \ \ \ \ 0=-3\ \ \ FALSE\\\\Answer:\ B.\ no\ solutions[/tex]

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