A point is reflected across the axis. If the original point P is 7 units away from the axis, what is the distance between Pand its reflection P'?
Options
A
B
C
D
Cannot be determined
Answer & Analysis
Answer
B
Analysis
Question Analysis:
This question focuses on the relationship between a point's distance from the axis and the distance between the point and its reflection across the axis.
Key Concept Explanation:
When a point is reflected across the axis to , the distance from the point to the axis is , and the distance from the reflected point to the axis is also .
The distance between the two points is the sum of these two equal distances.
Step - by - Step Solution:
Given that the point is 7 units away from the axis, so .
After reflection, the reflected point
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