MATH 1553 Midterm: MATH 1553 GT Exam 1 Solutions
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Please read all instructions carefully before beginning: you have 50 minutes to complete this exam, there are no aids of any kind (calculators, notes, text, etc. ) allowed, please show your work unless speci ed otherwise. A correct answer without appro- priate work may be given little or no credit: you may cite any theorem proved in class or in the sections we covered in the text, good luck! [parts a) through f) are worth 2 points each: compute 3. 3: if a is a 2 3 matrix with 2 pivots, then the set of solutions to ax = 0 is a: (circle one answer) point line. Circle t if the statement is always true, and circle f otherwise. You do not need to justify your answer: t, t, t f) If a system of linear equations has more variables than equa- tions, then the system must have in nitely many solutions.
