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Matrix 3-5 Review

  •  English    12     Public
    A review of Inverses, and solving Systems of Equations
  •   Study   Slideshow
  • Find the inverse of each matrix (+5 points if you do it by hand and show your work)
    [1 -1] [-1/2 1]
  •  10
  • Find the inverse of each matrix (+5 points if you do it by hand and show your work)
    [0 -1/4] [-1/2 1]
  •  10
  • Find the inverse of each matrix (+5 points if you do it by hand and show your work)
    [-6 7] [-1 1]
  •  10
  • Solve each system using inverse matrices
    (-2,4)
  •  20
  • Solve each system using inverse matrices
    (3,4)
  •  20
  • Solve each system using inverse matrices
    (-1,5)
  •  20
  • Hogwarts is selling tickets to the quidditch finals. On the first day, the school sold 2 teacher tickets and 8 student tickets for a total of 90 knuts. Then the school took in 115 by selling 7 teacher tickets and 8 student tickets.
    5 knuts for teacher tickets, and 10 knuts for student's tickets.
  •  25
  • Are the two matrices inverses?
    Yes
  •  5
  • Are the two matrices inverses?
    Yes
  •  5
  • Are the two matrices inverses?
    No
  •  5
  • Solve the following for x and y.
    (1,0)
  •  15
  • Solve the following for x and y
    (2,5)
  •  15