10.4 Optional Practice

A __________ matrix is a matrix with rows = columns.

• Same

• Equal

• Big

• Square

Select ALL matrices in which it is possible to find the inverse.

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• 
• 
• 

What is A^-1?

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• 
• 
• 

Tags

CCSS.HSA.REI.C.9

What is the inverse of the following matrix?

⌈4 −3⌉

⌊12 3⌋

• ⌈³∕₃₈ ³∕₃₈⌉

  ⌊−⁶∕₁₉ ²∕₁₉⌋

• ⌈⁴∕₃₈ −³∕₃₈⌉

  ⌊¹²∕₃₈ ³∕₃₈⌋

• ⌈²∕₁₉ −³∕₃₈⌉

  ⌊−⁶∕₁₉ ³∕₃₈⌋

• ⌈³∕₃₈ ³∕₃₈⌉

  ⌊−¹²∕₃₈ ⁴∕₃₈⌋

Find the inverse of the matrix.

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• 
• 
• No Inverse Exists

Tags

CCSS.HSA.REI.C.9