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Type: Multiple-Choice
Category: Symmetry and Transformations
Level: Grade 10
Standards: HSG-CO.A.2
Score: 1
Author: mtdomingu
Last Modified: 7 years ago

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Symmetry and Transformations Question

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Grade 10 Symmetry and Transformations CCSS: HSG-CO.A.2

Señor Domínguez made the following conjecture: "Any transformation of triangle LMN on a coordinate grid results in a congruent image."

Which transformation represents a counterexample to this statement?
  1. Triangle LMN is relfected over the line y = -5.
  2. Triangle LMN is translated 4 units left and 2 units down.
  3. Triangle LMN is rotated 90° counterclockwise about the origin.
  4. Triangle LMN is dilated with a scale factor of 2 about the origin.