A vertical translation of a point affects which coordinate?

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Prepare for the Praxis Middle School Mathematics Exam with quizzes. Study with flashcards and multiple choice questions. Each question provides hints and detailed explanations. Ensure success on your test!

Multiple Choice

A vertical translation of a point affects which coordinate?

Explanation:
A vertical translation moves a point up or down, changing its height but not its position along the x-axis. If you start with a point (x, y) and shift it vertically by k units, the new point is (x, y + k). The x-coordinate stays the same, while the y-coordinate changes by the amount of the vertical shift. So the coordinate that changes is the y-coordinate, which is why the correct option describes changing only the y-coordinate. For contrast, a horizontal movement would change the x-coordinate but leave the y-coordinate unchanged.

A vertical translation moves a point up or down, changing its height but not its position along the x-axis. If you start with a point (x, y) and shift it vertically by k units, the new point is (x, y + k). The x-coordinate stays the same, while the y-coordinate changes by the amount of the vertical shift. So the coordinate that changes is the y-coordinate, which is why the correct option describes changing only the y-coordinate. For contrast, a horizontal movement would change the x-coordinate but leave the y-coordinate unchanged.

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