Finite Semester Final - chapter 3

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Across
  1. 4. multiplication, multiplying each element of a matrix by the same number
  2. 6. matrix, a square matrix A has an inverse matrix denoted as A^-1
  3. 8. parallel lines (no solution)
  4. 9. solutions, intersecting lines (only one solution)
  5. 10. reduction, R1 + R3---> R1
  6. 11. of equations, a set of two or more equations
Down
  1. 1. method, the final matrix needs to be an identity matrix
  2. 2. matrices, have the same number of rows and columns and corresponding elements are equal
  3. 3. matrix, all elements equal to zero
  4. 5. same line (infinitely many solutions)
  5. 6. matrix, is a matrix with ones on the main diagonal and zeros everywhere else
  6. 7. of a matrix, 1X5