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Type: Multiple-Choice
Category: Matrices
Standards: HSN-VM.C.7
Author: nsharp1
Created: 2 years ago

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Matrices Question

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Matrix B is given with two of its elements unknown, $B = [[B_(1,1), 0],[-4, B_(2,2)]]$. Another matrix is given, which is matrix B which has been multiplied by a scalar, $[[3,0],[-1,2]]$. What are the two unknown elements in matrix B, listed as $B_(1,1), B_(2,2) ?$
1. $12, 8$
2. $3/4, 1/2$
3. $-12, -8$
4. $-3/4, -1/2$