anonymous
  • anonymous
how to solve a linear equation system with a texas instruments?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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amistre64
  • amistre64
you got a ti83 perhaps?
anonymous
  • anonymous
i got a voyage 200
amistre64
  • amistre64
never heard of it, do you see a "matrix" option on one of the buttons by chance?

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amistre64
  • amistre64
i see a data/matrix option on the google pic of it
anonymous
  • anonymous
yes! that one.
amistre64
  • amistre64
given a set of equations: we strip the variables and use only the coeffs for our column vectors in the matrix, does that make sense?
amistre64
  • amistre64
2x+3y=9 4x+5y=3 \begin{pmatrix}2&3&9\\4&5&3\end{pmatrix}
amistre64
  • amistre64
if there is a variable missing from one equation to the next, you use zero "0" for its entry
amistre64
  • amistre64
2x-y=3 y=4 \begin{pmatrix}2&-1&3\\0&1&4\end{pmatrix}
amistre64
  • amistre64
the solution to the system is just the row reduced form of the augmented matrix; the RREF command if you can find it
amistre64
  • amistre64
hope that helps
anonymous
  • anonymous
it says error reserved name or system variable. why?
amistre64
  • amistre64
dunno, all I get is a picture :)
anonymous
  • anonymous
thanks anyway!
amistre64
  • amistre64
youre welcome
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