the following equation represents a direct variation:

(y = -9x)

true
false

Question

the following equation represents a direct variation:

(y = -9x)

true
false

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Direct Variation" ], "new_concepts": [], "current_concepts": [ "Direct Variation" ] } ## Define direct variation Using the *Direct Variation* knowledge point $$ y = kx \quad (k e 0) $$ ## Compare the given equation Using the *Direct Variation* knowledge point $$ \begin{aligned} &\text{Given: } y = -9x\ &\text{Form: } y = kx \text{ with } k = -9 \end{aligned} $$

True

False

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Direct Variation" ] }

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Question

Explanation:

Define direct variation

Compare the given equation

Answer: