chapter 3 vocab

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Across
  1. 5. at least one common ordered pair
  2. 7. matrix contains only coefficients of a system of equations
  3. 8. method eliminate one variable by adding or subtracting
  4. 13. expressed as linear inequalities
  5. 15. matrix every element is zero
  6. 16. method where equation is solved for one variable in terms of another
  7. 18. is when the graph is a polygonal region
  8. 19. matrix when multiplied by another matrix it is the same
  9. 20. one exact solution
  10. 21. to minimize with best benefits
  11. 23. matrix only one row
  12. 24. Rule uses determinants to solve equation
  13. 26. region inter section of graph
  14. 27. matrix one column of matrix
  15. 28. a constant
  16. 30. matrices
Down
  1. 1. matrix matrix that contains constant of of equation
  2. 2. matrix contains variable of system of equation
  3. 3. infant numbers of solutions
  4. 4. array of numbers enclosed by parallel lines
  5. 6. rule used to find the third order matrix
  6. 9. no common ordered pairs
  7. 10. of inequalities inequalities with same variable
  8. 11. forms open region
  9. 12. determinant the determinate of a 2*2 matrix
  10. 14. determinant 3*3 matrix
  11. 17. are complete opposite of each other
  12. 22. rectangle array of variables
  13. 25. matrix same number of rows and columns
  14. 29. programming finding the maximum and minimum of a function for a region