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Type: Multiple-Choice
Category: Matrices
Level: Grade 12
Standards: HSN-VM.C.8
Author: nsharp1
Created: 5 years ago

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Grade 12 Matrices CCSS: HSN-VM.C.8

Shane has a matrix of three ordered pairs,

$P = [[3,2],[8,-1],[5,0]]$ , where the x-coordinates are in the first column and the y-coordinates are in the second column. He wants to find a matrix A, such that the product

$A \ P$ gives a matrix that will only have the first and third ordered pairs. Which of the following matrices will give this result?

$A = [[1,1],[0,0],[1,1]]$
$A = [[1,0,0],[0,0,1]]$
$A = [[1,0,1]]$
$A = [[1,0,1],[1,0,1]]$