alleryFor (p, q), reflection across y = a follows which rule?
A(2a − p, q)
B(p, 2a − q)
C(p, q − 2a)
D(p − 2a, q)
Answer & Solution
Correct answer: B. (p, 2a − q)
Reflection in y = a keeps p unchanged and makes the ordinates sum to 2a.
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