Augmented Matrix
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Math  system of eqns
Consider the system of equations: x1 + x2 + x3 = 6, −x1 − 2x2 + 3x3 = 1, 3x1 − 4x2 + 4x3 = 5. (a) Write down the augmented matrix for this system (b) Use elementary row operations to reduced the augmented matrix to reduced
asked by Drake on June 1, 2016 
Algebra help!
1.) Solve the system by triangularizing the augmented matrix and using back substitution. xy+z=1 xy4z=7 4x+y+z=6 2.) Perform the indicated row operation, then write the new matrix. 4 4  4 9 6  5 2R1+ R2 > R2 3.) Solve
asked by Becca on March 28, 2013 
Algebra help!
Please help and I would appreciate an explanation as to how you got to the answer. 1.) Solve the system by triangularizing the augmented matrix and using back substitution. 0.09x0.15y+0.39 0.18x+0.35y=0.88 2.) Solve the system
asked by Kristen on March 27, 2013 
Algebra
2. Use an augmented matrix to solve the system. x + y = 5 3x – y = –1 (1 point) (1, 4) (1, 5) (3, –1)*** (5, –1) 3. When converting a system of linear equations into an augmented matrix, what equation form is needed? (1
asked by Student on January 21, 2019 
Algebra help needed please!!
I have a few questions I need help with! 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in terms of a parameter. 3x+yz=4
asked by Kris on March 28, 2013 
Algebra
I have a few questions I need help with! 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in terms of a parameter. 3x+yz=4
asked by Kristen on March 27, 2013 
Math
Directions: Use the following matrix to perform the elementary row operations sequentially. A=[3 2 8] [5 2 12] 1.) (1/3) R1 From the original matrix 2.) 5R1+R R2 From matrix in question 1.
asked by Holly on March 23, 2015 
math
Solve following system of equations? x+3z=2 2x+2y+z=4 3x+y2z=5 i need help with few so i can get hang of this math plz. Perform row operations write new matrix [132 312 211 073] R1+R2 using x,yand z variables write system
asked by sherri r on January 24, 2009 
Discrete Math
I am really stuck on these problems. I've worked a lot of them but I can't get these. Sometimes I think I know the answer but I can't show how I got it. 1.) Solve each matrix equation for X. 2X + 5A = B 2.) Find the following
asked by Ryan on February 25, 2010 
Algebra multiple choice!
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system
asked by Becca on March 28, 2013