Algebra Archive: Questions from March 11, 2023
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2 answers
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Solve the system, if possible. \[ \begin{aligned} x+2 y+3 z & =-5 \\ x+y+z & =0 \\ -x-2 y+4 z & =-9 \end{aligned} \]2 answers -
(1 point) Let \( x, y, z \) be (non-zero) vectors and suppose \( w=4 x+16 y-3 z \). If \( z=x+4 y \), then \( w=\quad x+ \) \( y \). Using the calculation above, mark the statements below that must be2 answers -
2 answers
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2 answers
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2 answers