MATH 230 Midterm: MATH 230 2011 Winter Test 1
Document Summary
The exam is 150 minutes long and worth a total of 100 points. No books, notes or calculators may be used. Show all of your work, simplify and justify your answers carefully. You will be graded on the clarity of your exposition as well as the correctness of your answers. Math 230 section 101 december 2011 page 2 of 15. Math 230 section 101 december 2011 page 3 of 15. Twin primes question: state the twin primes question, and give ve pairs of numbers greater than 15 that support it (showing how). Math 230 section 101 december 2011 page 4 of 15. Transitivity theorem for congruence: the transitivity theorem for con- gruence states that if a b( mod m) and b c( mod m) then a c( mod m). Explain why this is true using the de nition of congruence. Math 230 section 101 december 2011 page 5 of 15. Math 230 section 101 december 2011 page 6 of 15.
