MATH 2568 Study Guide - Midterm Guide: Row And Column Vectors, Identity Matrix, Row Echelon Form
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MATH 2568 Full Course Notes
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This exam contains 6 pages (including this cover page) and 5 problems. Check to see if any pages are missing. Enter all requested information on the top of this page, and put your initials on the top of every page, in case the pages become separated. You may not use your books, notes, or any calculator on this exam. You are required to show your work on each problem on this exam. The following rules apply: organize your work, in a reasonably neat and co- herent way, in the space provided. Work scattered all over the page without a clear ordering will re- ceive very little credit: mysterious or unsupported answers will not re- ceive full credit. Do not write in the table to the right. 6/26/13: (20 points) solve the following linear system by converting an augmented matrix into re- duced row echelon form. x1 + x3 + x4 = 3.