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One of your classmates states that the translation rule for the purple pre-image to the red image is left 4 and down 4 written as (x+4, y-4). Give constructive feedback to your peer addressing the following: What is correct about the rule they listed?

Explain why the other parts need adjusted.
Write the corrected official rule in both words and coordinate notation.

User Patko
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4 votes

Answer:

Explanation:

Constructive feedback to your peer:

1. Correctness of the listed rule:

Your peer correctly identified that the pre-image is translated to the right by 4 units, indicated by the (x + 4) component of the rule. This means that the x-coordinate of each point in the pre-image is increased by 4 to obtain the corresponding x-coordinate in the image.

Adjustments needed in the rule:

2. Downward translation:

Your peer incorrectly stated that the pre-image is translated down by 4 units using the (y - 4) component of the rule. However, based on the given information, the correct downward translation is 5 units, not 4 units. Therefore, the (y - 4) component needs to be adjusted to reflect the correct downward translation.

3. Adjusted rule in words and coordinate notation:

The corrected official rule for the translation from the purple pre-image to the red image can be described as follows:

- Words: Translate the pre-image left 4 units and down 5 units.

- Coordinate notation: (x - 4, y - 5)

In this corrected rule, the x-coordinate is decreased by 4 units, representing the leftward translation, and the y-coordinate is decreased by 5 units, representing the downward translation.

By making these adjustments, the rule accurately describes the translation from the purple pre-image to the red image.

User DShah
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