1. Modular Arithmetic. For each of the equations below, find every x which satisfies the equality. If there are infinitely many x which satisfy an equality, you may find it helpful to list them out in a sequence whose pattern is obvious (e.g. {4,7,10,13,16,.}) i. 20 mod x = 0 ii. x mod 9 = 4 ii. 40 mod 3 = x iv. ((5 mod 3)*(8 mod 3)) mod 3 = x V. The previous two problems suggest a rule. Write this rule.

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1. Modular Arithmetic.
For each of the equations below, find every x which satisfies the equality. If there are infinitely many
x which satisfy an equality, you may find it helpful to list them out in a sequence whose pattern is
obvious (e.g. {4,7,10,13,16,...})
i.
x mod 9 = 4
20 mod x = 0
ii.
ii.
40 mod 3 = x
iv.
((5 mod 3)*(8 mod 3)) mod 3 = x
V.
The previous two problems suggest a rule. Write this rule.
Transcribed Image Text:1. Modular Arithmetic. For each of the equations below, find every x which satisfies the equality. If there are infinitely many x which satisfy an equality, you may find it helpful to list them out in a sequence whose pattern is obvious (e.g. {4,7,10,13,16,...}) i. x mod 9 = 4 20 mod x = 0 ii. ii. 40 mod 3 = x iv. ((5 mod 3)*(8 mod 3)) mod 3 = x V. The previous two problems suggest a rule. Write this rule.
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