Question
Mathematics Question on Coordinate Geometry
A point P(7,9) is reflected about line x = y. The new point P1 after reflection is:
A
P1 (9,7)
B
P1 (7,9)
C
P1 (18, 14)
D
P1 (14,18)
Answer
P1 (9,7)
Explanation
Solution
The correct option is (A): P1 (9,7)