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Type: Multiple-Choice
Category: Matrices
Level: Grade 12
Standards: HSN-VM.C.12
Author: nsharp1
Created: 5 years ago

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Grade 12 Matrices CCSS: HSN-VM.C.12

Which of the following equations correctly state that, for a figure in the cartesian plane, a reflection over the x-axis, followed by a reflection over the y-axis, is identical to a 180° rotation (either clockwise or counterclockwise)?

$[[1,0],[0,1]] [[-1,0],[0,-1]] = [[-1,0],[0,-1]]$
$[[1,0],[0,-1]] [[-1,0],[0,1]] = [[0,1],[1,0]]$
$[[-1,0],[0,1]] [[1,0],[0,-1]] = [[-1,0],[0,-1]]$
$[[1,0],[0,-1]] [[-1,0],[0,1]] = [[-1,0],[0,-1]]$