Practice Problems
Problems in Solving Matrices
1.) Which of the following is a linear algebraic equation?
a.) x1 - 4 = x2
b.) x1 - sin(x2) = 9
c.) x12 - x2 = 5
d.) None of the above.
e.) All of the above.
2.) Use elimination to find the solution to the following system of equations.
x1 + 2x3 + x4 = 1
2x1 + 2x4 = 1
x2
+ x4 = 0
2x3 + 2x4 = 1
3.) Find the determinant of the matrices A, B, C, D, E, F.
