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Geometry Flashcards: Representing Transformations As Functions

Study Representing Transformations As Functions in Geometry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the coordinate rule for reflection across the line y=−xy=-x?

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ANSWER

(x,y)→(−y,−x)(x,y)\to(-y,-x). Both coordinates swap and change signs across this diagonal.

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Geometry: Transformations in the Plane

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What this deck covers

This deck focuses on Representing Transformations As Functions, giving you a quick way to review the definitions, rules, and examples that matter most for Geometry.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 16Practice questions for this set
A transformation TT maps point (2,3)(2, 3) to (5,7)(5, 7) and point (4,1)(4, 1) to (7,5)(7, 5). If TT is a translation, what is the image of point (0,−2)(0, -2) under this transformation?
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