Find all replacements (less than the modulus) for the question mark that make the statement true.
-9 + ? ≡ 2 (mod 8)
A) 2
B) 1
C) -1
D)4

Name: Find all replacements (less than the modulus) for the question mark that make the statement true. -9 + ? ≡ 2 (mod 8) A) 2 B) 1 C) -1 D)4
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Question

Quizplus · Accepted Answer

To solve 9 + ? ≡ 2 (mod 8), we first simplify 9 mod 8, which is 1. So, 1 + ? ≡ 2 (mod 8). Therefore, ? ≡ 1 (mod 8), which means ? = 1.

Find All Replacements (Less Than the Modulus) for the Question