College Algebra

posted by .

Please help!

x-2y+z=7
2x+y-z=0
3x+2y-2z=-2

a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations.

b. Solve the above system of equations using Cramer's Rule.

  • College Algebra -

    its a simple matrix problem. ti-89 does it for you.

  • College Algebra -

    how do a graph on a Ti-83 for an ellipse center at origin

  • College Algebra -

    This is my problem
    I need help with.
    (7,-8); 3x+5y=6

  • College Algebra -

    {7x+4y=11
    5x+6y=2

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 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 matrices: …
  2. Math

    Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.
  3. MATH

    solve the system of linear equations using the Gauss- Jordan elimination method x1- x2+ 4x3 = 15 x1+ x2 = X3 = 4 -3X1-X2 + X3 = -2
  4. algebra

    Solve the system of equations by first writing it in matrix form and then using Gauss-Jordan elimination. x-4y =-5 -2x + 9y = 125
  5. Math

    I need to use the Gaussian Elimination to solve a system of equations, but I have no idea on how to do that. I remember doing these in high school, but since its been a while I can't remember exactly how to do it. Here's the system …
  6. HELP PLEASE

    Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2
  7. precalculus

    When using Gaussian elimination to solve a system of linear equations, explain how you can recognize that the system has no solution. Give an example that illustrates your answer.
  8. precalculus

    When using Gaussian elimination to solve a system of linear equations, explain how you can recognize that the system has no solution.
  9. Gauss-Jordan elimination

    Write the system of equations as an augmented matrix. Then solve for x and y. -3x+3y=-21 3x+2y=-4
  10. M240 Help please

    Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination. a. 3x1 + 5x2 - 8x3 + 5x4 = -8 b. x1 + 2x2 - 3x3 + x4 = -7 c. 2x1 + 3x2 - 7x3 + 3x4 = -11 d. 4x1 + …

More Similar Questions