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Practice problem

Use Matrices to Represent Systems of Linear Equations

By Cameron Montag

Let AA be a 3×33 \times 3 matrix and assume, for constants b1,b2,b3b_1, b_2, b_3:

A[xyz]=[b1b2b3]A \begin{bmatrix} x \\ y \\ z \end{bmatrix} = \begin{bmatrix} b_1 \\ b_2 \\ b_3 \end{bmatrix}

Which of the following are possible?

Choose all correct answers

Type a concept, like “slope” or “photosynthesis”.

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