Here are your assigned problems for this discussion:
1) 6.1 Exercise Set
Match the following set of equations with one of the pictures on pg. 490 of the textbook:
2x – 1 = 1
x + 2y = -7
2) 6.2 Exercise Set
Solve the system of equations.
x + 2y – z = -8
2x – y + z = 4
8x + y + z = 2
3) 6.3 Exercise Set
Write the augmented matrix for the system of equations.
2x – y = 7
x + 4y = -5
4) 6.4 Exercise Set
Find the product, if possible
-1 0 7 6
3 -5 2 -4
5 3 8 1
5) 6.5 Exercise Set
Use the Gauss – Jordan method to find A-1, if it exists. Check your answers by finding A-1 and AA-1.
6 4
9 6
6) 6.6 Exercise Set
Evaluate the determinant.
x 4
x x2
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