What are we learning ?
Competency in Focus: Slope of straight line.
This problem is based on slope of straight line from American Mathematics contest (AMC 10B, 2012). It includes image formation due to reflection from a line of A point.
First look at the knowledge graph.
Next understand the problem
Source of the problem
Start with hints
The line $y = 2000$ is a horizontal line located $12$ units beneath the point $(1000, 2012)$. When a point is reflected about a horizontal line, only the $y$ – coordinate will change.
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