Algebra-2

Question Analysis
This question tests the student's ability to determine the constant of variation, , for a direct variation function given a point on the graph.

Key Concept Explanation
The constant of variation, , in a direct variation function can be found by using the coordinates of any point on the line, except the origin. The formula to find is .

Step-by-step Solution
1. Identify the coordinates of the given point: .
2. Use the formula for the constant of variation: