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Type: Multiple-Choice
Category: Matrices
Level: Grade 12
Standards: HSN-VM.C.7
Author: nsharp1
Created: 2 years ago

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Grade 12 Matrices CCSS: HSN-VM.C.7

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