Mathematics

Mathematics, 18.09.2019 07:10, paolaz80045

Using desmos or linear combination method on a scratch piece of paper, solve the system of equations below. state your answer in the form (x, y, z). in the area below prove mathematically this answer is correct. all steps need to be shown to earn full credit. (6 points)
x+y-z=-1
4x-3y+2z=16
2x-2y-3z=5

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Mathematics, 28.06.2019 14:30, Adeenieweenie

To solve the system of linear equations 3x-2y=4 and 9x-6y=12 by using the linear combination method, henry decided that he should first multiply the first equation by –3 and then add the two equations together to eliminate the x-terms. when he did so, he also eliminated the y-terms and got the equation 0 = 0, so he thought that the system of equations must have an infinite number of solutions. to check his answer, he graphed the equations 3x-2y=4 and 9x-6y=12 with his graphing calculator, but he could only see one line. why is this? a.because the system of equations actually has only one solutionb.because the system of equations actually has no solutionc.because the graphs of the two equations overlap each otherd.because the graph of one of the equations does not exist

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Mathematics, 26.08.2019 08:30, erickamiles1797

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Mathematics, 18.09.2019 18:30, allenpaietonp9v8sv

Using desmos or linear combination method on a scratch piece of paper, solve the system of equations below. state your answer in the form (x, y, z). in the area below prove mathematically this answer is correct. all steps need to be shown to earn full credit. (6 points) x+y-z=-1 4x-3y+2z=16 2x-2y-3z=5

Answers: 3

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Using desmos or linear combination method on a scratch piece of paper, solve the system of equations...

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