Determine the coordinates of A', B', C' and D' using only reasoning (that is, without folding)

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Determine the coordinates of A'B'C' and D' using only reasoning (that is, without folding).

The image displays a Cartesian coordinate grid with a quadrilateral labeled as \(ABCD\) and a line of reflection labeled \(r\).

**Graph Details:**

- **Quadrilateral \(ABCD\):**
  - The points are plotted on the coordinate grid as follows:
    - \(A\) is located at approximately \((5, 8)\).
    - \(B\) is located at approximately \((6, 6)\).
    - \(C\) is located at approximately \((7, 7)\).
    - \(D\) is located at approximately \((7, 9)\).
  - The quadrilateral is positioned slightly tilted within the grid.

- **Line of Reflection \(r\):**
  - The line \(r\) is vertical and runs along \(x = 4\).
  - It spans the length of the \(y\)-axis visible in the diagram.
  - An arrow on the line indicates its directional orientation along the positive \(y\)-axis.

This image could be used to demonstrate transformations, specifically reflections over vertical lines in coordinate geometry.
Transcribed Image Text:The image displays a Cartesian coordinate grid with a quadrilateral labeled as \(ABCD\) and a line of reflection labeled \(r\). **Graph Details:** - **Quadrilateral \(ABCD\):** - The points are plotted on the coordinate grid as follows: - \(A\) is located at approximately \((5, 8)\). - \(B\) is located at approximately \((6, 6)\). - \(C\) is located at approximately \((7, 7)\). - \(D\) is located at approximately \((7, 9)\). - The quadrilateral is positioned slightly tilted within the grid. - **Line of Reflection \(r\):** - The line \(r\) is vertical and runs along \(x = 4\). - It spans the length of the \(y\)-axis visible in the diagram. - An arrow on the line indicates its directional orientation along the positive \(y\)-axis. This image could be used to demonstrate transformations, specifically reflections over vertical lines in coordinate geometry.
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