Row Operations for Finding Inverse of Matrix (3x3) (Level 1)

This math topic focuses on manipulating 3x3 matrices to find their inverses using elementary row operations. Skills practiced include adding and subtracting rows, multiplying rows by constants, and row swapping. Each problem provides an augmented matrix with various objectives, such as solving for specific rows of the inverse matrix. Multiple-choice answers with LaTex-rendered matrix options guide learners to practice and reinforce these algebraic techniques systematically.

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Row Operations for Finding Inverse of Matrix (3x3)

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Subtract row 2 from row 3 of the augmented matrix as many times as needed to solve for row 3 of the inverse matrix

[767100020010041001]\left[ {\begin{array} {cccc} 7 & 6 & 7 & \vert & 1 & 0 & 0 \\ 0 & 2 & 0 & \vert & 0 & 1 & 0 \\ 0 & 4 & 1 & \vert & 0 & 0 & 1 \end{array} } \right]

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