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Algebra
Question

The coefficient matrix for this system has no inve...

The coefficient matrix for this system has no inverse. Are the lines "parallel", or the "same"? 

\( \left \{ \begin{array} { c } { 2 x + 4 y = 9 } \\ { - 4 x - 8 y = 17 } \end{array} \right .\) 

Answer

Parallet

Solution
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