Point Q(-1, 5) is reflected across the line x = -1. What are the coordinates of its image?
2 answers:
Answer: The correct option is
(A) (-1, 5).
Step-by-step explanation: Given that the point Q(-1, 5) is reflected across the line x = -1.
We are to find the co-ordinates of the image of Q.
For the point Q(-1, 5), we have
x co-ordinate = -1 and y co-ordinate = 5.
So, the point (-1, 5) lies on the line x = -1. The point Q(-1, 5) and the line x = -1 is shown in the attached figure below.
Therefore, the reflection of the point Q(-1, 5) across the line x = - 1 will be itself. Thus, the co-ordinates of the image of Q(-1, 5) after reflection is Q(-1, 5).
Option (A) is CORRECT.
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