Solving Systems of Equations

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