CMSC 250 Quiz 7 Wednesday Mar 10 2004 Write all answers legibly in the space provided The number of points possible for each question is indicated in square brackets the total number of points on the quiz is 30 and you will have exactly 20 minutes to complete this quiz You may not use calculators textbooks or any other aids during this quiz 1 20 pnts Disprove by counter example or Prove each of the following a The sum of any rational number and any integer is rational b For every integer n n2 n 3 2 1 2 4 pnts Write the standard factored form of 1050 3 6 pnts Use the unique factorization theorem and suppose that m is an integer such that 5 4 3 2 m 10 11 12 13 Circle Yes or No for each of the following Yes means that this is something that must be true No means it doesn t necessarily need to be true a 10 m YES NO b 11 m YES NO c 12 m YES NO d 13 m YES NO e 24 m YES NO f 143 m YES NO
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