A direct variation function has a graph that is a straight line passing through the origin. If the line passes through the point (3, -6), the constant of variation is ________.
Answer & Analysis
Analysis
Question Analysis
This question tests the student's ability to determine the constant of variation from a given point on the graph of a direct variation function, including negative values.
Key Concept Explanation
In a direct variation, the relationship between two variables and is given by . The constant of variation can be found using any point on the graph, including when is negative.
Step-by-step Solution
1. Identify the given point (3, -6).
2. Use the formula for the constant of variation
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