Refer to the graph below. The point where the line intersects the y-axis is given by the equation . If the y-coordinate of the intersection point is 12, the x-coordinate is ____.
Answer & Analysis
Analysis
Question Analysis
This question tests the student's ability to interpret a linear equation in the context of a graph and find the x-coordinate of the y-intercept.
Key Concept Explanation
The y-intercept of a line is the point where the line crosses the y-axis, and at this point, the x-coordinate is always 0.
Step-by-step Solution
1. The equation of the line is .
2. At the y-intercept, the y-coordinate is 12.
3. Substitute into the equation:
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