The Austin Math Tutor
Chester W. Martin    (512) 923-1137
Scalar Multiple:
Scalar Multiple of a Matrix
Addition of Two Matrices
Expansion of the Third Order:
Expansion of a Third Order Matrix
Determinate of a 2X2 Matrix:
Determinite of a 2x2 Matrix
Definition of a Matrix Inverse
Inverse of a 2X2 Matrix:
To check inverse multiply
The 2x2 Identity Matrix
Inverse of a 2x2 Matrix
the result should be an Identity Matrix
Cramer's Rule:
Cramer's Rule
Multiplication of 2x2 Matrix Times a 2x3 Matrix
Tutoring in:   College Algebra , Statistics , Calculus I & II ,
                        Geometry , Statistics 2 , Trigonometry ,
                        Pre-Calculus Finite Math , SAT I & II
                        High School  ( including  AP & IB Courses )

     I can help solve your math problems.    Flexible hours.
          References available on request. 512-923-1137