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Common Core Standard HSN-VM.C.7 Questions

(+) Multiply matrices by scalars to produce new matrices, e.g., as when all of the payoffs in a game are doubled.

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Grade 12 Matrices CCSS: HSN-VM.C.7
If the matrix [math][[2,9,8],[0,3,4],[1,11,3]][/math] is multiplied by the scalar [math]5[/math], what is the result?
  1. [math][[7,14,13],[5,8,9],[6,16,8]][/math]
  2. [math][[10,45,40],[0,15,20],[5,55,15]][/math]
  3. [math][[3,4,1],[11,3,2],[9,8,0]][/math]
  4. [math][[10,0,5],[45,15,55],[40,20,15]][/math]
Grade 12 Matrices CCSS: HSN-VM.C.7
If the matrix [math][[27,9,12],[3,0,6],[18,21,3]][/math] is multiplied by the scalar [math]1/3[/math], what is the result?
  1. [math][[9,3,4],[1,0,2],[6,7,1]][/math]
  2. [math][[30,12,14],[6,3,9],[21,24,6]][/math]
  3. [math][[27,9,12],[3,0,6],[18,21,3]][/math]
  4. [math][[9,1,6],[3,0,7],[4,2,1]][/math]
Grade 12 Matrices CCSS: HSN-VM.C.7
If the matrix [math][[6,8,9],[1,0,2],[3,6,2]][/math] is multiplied by the scalar 3, what is the result?
  1. [math][[9,11,12],[4,3,5],[8,9,5]][/math]
  2. [math][[18,24,27],[3,0,6],[9,18,6]][/math]
  3. [math][[3,5,6],[-2,-3,-1],[0,3,-1]][/math]
  4. [math][[9,8,6],[2,0,1],[2,6,3]][/math]
Grade 12 Matrices CCSS: HSN-VM.C.7
If the matrix [math][[2,9,8],[0,3,4],[1,11,3]][/math] is multiplied by the scalar [math]3[/math], what is the result?
  1. [math][[2/3,3,8/3],[0,1,4/3],[1/3,11/3,1]][/math]
  2. [math][[6,0,3],[27,9,33],[24,16,12]][/math]
  3. [math][[5,12,11],[3,6,7],[4,14,7]][/math]
  4. [math][[6,27,24],[0,9,12],[3,33,9]][/math]
Grade 12 Matrices CCSS: HSN-VM.C.7
If the matrix [math][[2,8,12],[3,4,0],[8,10,4]][/math] is multiplied by the scalar [math]1/2[/math], what is the result?
  1. [math][[4,16,24],[6,8,0],[16,20,8]][/math]
  2. [math][[12,8,2],[0,4,3],[4,10,8]][/math]
  3. [math][[4,6,16],[16,8,20],[24,0,8]][/math]
  4. [math][[1,4,6],[1.5,2,0],[4,5,2]][/math]

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