Solving Systems of Equations

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Across
  1. 2. a way to organize data in columns and rows
  2. 5. a matrix with the same number of rows and column
  3. 7. where the leading coefficient has only zeros in front of it
  4. 8. a special number that can be calculated from a square matrix
  5. 10. a system of equations that has at least one system
  6. 13. systems of equations that have the same solution
  7. 14. A^-1
  8. 16. The point where two lines meet or cross
  9. 18. (A/x-4) + (B/x+3)
  10. 19. it is called this if the system of linear equations has no solution
  11. 20. the answer
Down
  1. 1. a method for solving matrix equations of the form
  2. 3. turning the augmented matrix into reduced row-echelon form
  3. 4. finding D, D1-x, D2=y, D3=z
  4. 6. two or more equations
  5. 9. you either add or subtract the equations to get an equation in one variable
  6. 11. a way of showing the equations visually
  7. 12. solve an equation for one variable, then substitute that solution in the other equation
  8. 15. where the leading coefficient are all 1's and the rest of the numbers are zeros
  9. 17. the point at which two equations meet at the same amount