Sample First Long Exam

Sample First Long Exam - SAMPLE FIRST LONG EXAM IN MATH 17...

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Unformatted text preview: SAMPLE FIRST LONG EXAM IN MATH 17 1. Which of the following is true? A. A ∈ {{ 𝐴 }} B.  ⊂ {  } C.  (  ( 𝐴 )) D.  (  )  2. Which of the following is true? A.     B A A B B A      C.   C C C B A B A    B.     B A B A A     D. A B B A    3. Consider the operation * defined as a ∗ ? = ? ? ¡? ¢ . Which of the following is not true? A. Z is closed under *. B. * is commutative in Z C. * is associative in Z D. If a>0, ? ∗ ? ≥ For numbers 4-5, consider the following addition and multiplication tables for S 4 ={0,1,2,3}. + 𝟒 0 1 2 3 0 0 1 2 3 1 1 2 3 0 2 2 3 0 1 3 3 0 1 2 4. Solve for x: £ + 4 3 = 3 × 4 2+ 4 2 × 4 ( − 2) . x = _______. 5. What is the best description for the system [ ¤ 4 , + 4 ,× 4 ] ? A. It is a group. C. It is a commutative ring with identity. B. It is a ring. D. It is a field. 6. Given   1 1 , , G   , which of the following best describes     , , G ?...
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This note was uploaded on 05/13/2011 for the course MATH 17 taught by Professor Dikopaalam during the Spring '11 term at University of the Philippines Los Baños.

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Sample First Long Exam - SAMPLE FIRST LONG EXAM IN MATH 17...

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