10 points! TEACH ME how to use TI-83 plus for which ordered triple is a solution to the following equations
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10 points! TEACH ME how to use TI-83 plus for which ordered triple is a solution to the following equations

[From: ] [author: ] [Date: 11-12-15] [Hit: ]
d.(2,-6,-7)-go the the matrix button , give the matrix a name , enter ,......
{x+2y-z=-3
{3x+y+3z=6
{5x-2y+4z=0

which triple is a solution to the following equation
a. (-3,4,8)
b. (6,2,13)
c.(4,-1,5)
d.(2,-6,-7)

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go the the ' matrix ' button , give the matrix a name , enter , dimension will be 3 x 4 , enter

1st row is 1..2...-1..-3...the number of the 1st equation..do same for the other 2

go to ' ops ' under the matrix menu , choose ' rref ' , enter the name , solve by ' enter '

4th column will be the answers if a triple exists...none of the ones offered

ahhh...you don't need anything to do with a matrix...c solves #1 , etc

the question is " which triple solves which equation !!!! "
1
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