COMP 170

• exposé

MATH 212 Practice FINAL EXAMINATION - A Part I Answer any five of the following six questions. You may answer all six to obtain extra credit. 1. Find the LDU factorization of the matrix     78 12B . Show your work! 2. Using the Gauss-Jordan algorithm, compute the inverse of the matrix E given below. Show each step of your work.            111 110 101 E 3.

• linear transformation from r3
• symmetric n×n matrices
• rank of c.
• subspaces of a vector space x.
• standard basis for rn
• similar matrices
• empty subset of a vector space
• square matrix
• vector
• basis