anonymous
  • anonymous
Verify that the matrix has no inverse. Type your answer below. [-1 2 0 0 0 0 1 2 4 ]
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Easiest way is to find the determinant. If a determinant is equal 0, then the matrix has no inverse. You should be able to find the determinant by just looking at that particular matrix
anonymous
  • anonymous
these questions are quite random by which i mean from all over the place this doesn't have an inverse because the second row has nothing but zeros this tells you instantly that the determinant is zero,
anonymous
  • anonymous
i am wondering what class this is with all these different types of problems

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anonymous
  • anonymous
it's algebra 2 but it has alot of calculus problems in it.
anonymous
  • anonymous
not really calc, but still quite a hodgepodge
anonymous
  • anonymous
This is not calculus lol, pretty much algebra. Calculus is all abstract math
anonymous
  • anonymous
noo ,i didnt mean this problem was calculus , some of my other graphing problems are though.

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