Solving Systems of Equations

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