Quiz 1 Solutions

Quiz 1 Solutions - Name: Math 100 Quiz 1 October 17, 2007...

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Name: Math 100 Quiz 1 October 17, 2007 Instructions: Please answer the following questions clearly, concisely and neatly. Partial credit will be given on Problems 4, 5, and 6. In addition, points may be deducted for disorganized or illegible responses. All proofs should be written in complete sentences with correct English grammar and punctuation. Avoid abbreviating English words when possible. Question: 1 2 3 4 5 6 Total Points: 1 1 2 2 2 2 10 Score: 1. (1 point) Is the following sentence true or false? Only the answer – true or false – will be graded. x Z , y R , such that y 3 + y = x. Solution: True. 2. (1 point) Is the following sentence true or false? Only the answer – true or false – will be graded. x R , such that a Z ,x 2 6 = a. Solution: True. 3. (2 points) Let A = { 1 , 4 , 9 , 16 , 25 } . Let B = { 5 , 10 , 15 , 20 , 25 } . Let C = { 3 , 6 , 9 , 12 , 15 , 18 , 21 , 24 } . Describe the two sets below. For example, to describe the set
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Quiz 1 Solutions - Name: Math 100 Quiz 1 October 17, 2007...

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