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Precalc Honors 6.1 Homework

Last updated about 4 hours ago

4 questions

2

Question 1

1.

Solve the system of equations using Gaussian elimination BY HAND

-3x+y+6z=15
2x+2y-5z=9
4x-5y+12z=47

Write your answer as an ordered triple.

1

1

1

Question 2

2.

Solve the system of equations.

4x-5y-9z=-25
-6x+y+7z=-21
7x-3y-10z=8

Question 3

3.

Solve the system of equations

x+3y+4z=8
4x-2y-z=6
8x-18y-19z=-2

Question 4

4.

Write the augmented matrix for the system of equations

3w+x-2y-3z=11
2w+x-y=14-z
x+y+z=12