M328K Introduction to Number Theory, Adriana Sofer
Test 2, 4/11 in class.
The test will cover sections 3.6, 4.1, 4.2, 4.3, 5.1, 5.5.
Please review all the homework problems. Here are more review
problems. Please don't use your calculator.
3.6: 7(a)
4.1: 7(c), 15(b), 18, 21, 34; Compute 2^210(mod 47).
4.2: 1, 11.
4.3: 7, 17(b), 33; How many solutions are there to x^2 +18x -823
congruent to 0(mod 120)?;
Solve x^2
+35 congruent to 0(mod 5x17).
5.1: 2, 19.
5.5: 11(c)(d).
Send questions, comments to asofer@math.utexas.edu.
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