geometry
posted by lia .
Find a coordinate rule for a reflection across the line y = 2x. Then use the rule to find the image of triangle ABC
= [ 2 6 0 ]
[ 3 4 4 ].
Be sure to clearly show your work indicating how you found your rule. In addition write the coordinate matrix for triangle A'B'C'. Graph and label both the preimage and the image triangle on graph paper.
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