Practice Midterm Solns-2 - Math 308 L Autumn 2015 Practice Midterm 1 Name Signature Student ID no Section 1 2 3 Total 14 15 16 45 This exam consists of

Practice Midterm Solns-2 - Math 308 L Autumn 2015 Practice...

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Math 308 L - Autumn 2015 Practice Midterm 1 Name: Student ID no. : Signature: Section : 1 14 2 15 3 16 Total 45 This exam consists of 3 problems on 4 pages, including this cover sheet. Show all work for full credit. You may use a scientific calculator during this exam. Graphing calculators and other electronic devices are not allowed. You may write on the back of a page, but indicate that you have done so. You may use 1 double-sided 8.5” by 11” sheet of handwritten notes. You have 50 minutes to complete the exam. 1
1.)True/False Questions. Determine whether the following statements are True (T) or False(F) (1point each). Justify your answer by giving an example or counterexample, or by explaining yourreasoning (1 point each). Explaining your reasoning may include citing Theorems or facts westated in class.(a)Suppose{~u1, ~u2}is linearly independent, and~u3is not a scalar multiple of~u1or~u2. Then,~u1, ~u2, ~u3is linearly independent.

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