To determine the coordinates of \( B' \) after the translation of rectangle \( ABDC \), we need to know the coordinates of points \( A \) and \( B \), as well as the translation vector applied.
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Assume Initial Coordinates: Let's assume the coordinates of the points are:
- \( A(x_A, y_A) \)
- \( B(x_B, y_B) \)
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Translation Definition: The translation can be defined by a vector \( (t_x, t_y) \), where:
- \( A' = A + (t_x, t_y) \)
- \( B' = B + (t_x, t_y) \)
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Given Information: You mentioned the coordinates of \( A' \) are \( (-6, 8) \).
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Finding Translation Vector: If we denote the original coordinates of \( A \) as \( (x_A, y_A) \), we can find the translation: \[ t_x = -6 - x_A \] \[ t_y = 8 - y_A \]
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Finding Coordinates of \( B' \): Ideally, if we know the initial coordinates of \( B \), we can find \( B' \): \[ B' = (x_B + t_x, y_B + t_y) \]
However, we are not given the original coordinates of \( A \) and \( B \) or their relationship. If we assume that point \( B \) is located in a predictable manner relative to \( A \), it would simplify our calculation.
- Determine Coordinates of B: To proceed with actual computations, typically, you would need the original coordinates of \( B \), or some relationship, which is not provided here.
In the final context of given points (A), the B coordinates are referred to \( (-5, 4) \) or \( (-1, 4) \).
I suggest either:
- If we made a prescription with \( (t_x, t_y) = (x_a + 6 , y_a - 8) \) for running vector, then compare which works respectively if rectangle ABCD has A and B in same x geometry.
- It is important to know exactly if applying alternatives.
Without additional information about coordinates or relationships, we cannot definitively say which of the answer options is correct. Please check if you can provide the assumed coordinates \( (x_A,y_A) \) for further calculations from first assumptions.