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

question 77

Multiple Choice

Find all replacements (less than the modulus) for the question mark that make the statement true.
-9 ∙ 4 ≡ ? (mod 7)

• A) 4
• B) 6
• C) 2
• D) 1

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Definitions:

Stimulus

An event, action, or condition that provokes a response or encourages activity in economic, psychological, or biological contexts.

Translation

The process of converting text or speech from one language into another, ensuring the meaning is retained and understood.

Emotion

A complex psychological state that involves an individual's subjective experience, physiological response, and behavioral or expressive response.

Negative Emotions

Feelings such as anger, fear, and frustration that can adversely affect the outcomes of negotiations or conflict resolutions.