The figure shows a shape ABC and its mirror image A1B1C1 across the horizontal axis (X-axis). The coordinate transformation matrix that maps ABC to A1B1C1 is
A. \[\left[ {\begin{array}{*{20}{c}} 0&1 \\ 1&0 \end{array}} \right]\]
B. \[\left[ {\begin{array}{*{20}{c}} 0&1 \\ { - 1}&0 \end{array}} \right]\]
C. \[\left[ {\begin{array}{*{20}{c}} { - 1}&0 \\ 0&1 \end{array}} \right]\]
D. \[\left[ {\begin{array}{*{20}{c}} 1&0 \\ 0&{ - 1} \end{array}} \right]\]
Answer: Option D
This Question Belongs to Engineering Maths >> Linear Algebra
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