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Use Cramer's Rule to Solve the System of Equations 8x9y+4z=04x+5y+5z=603x7y8z=105\begin{array} { l } 8 x - 9 y + 4 z = 0 \\- 4 x + 5 y + 5 z = 60 \\3 x - 7 y - 8 z = - 105\end{array}

question 388

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
- 8x9y+4z=04x+5y+5z=603x7y8z=105\begin{array} { l } 8 x - 9 y + 4 z = 0 \\- 4 x + 5 y + 5 z = 60 \\3 x - 7 y - 8 z = - 105\end{array}


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