Practice the questions given in the worksheet on reflection in different axis. The questions are based on how to find the co-ordinates of the image of a point under reflection in different axis.
1. The point M (2, -9) is reflected in the x-axis; find the co-ordinates of the image M’. This M' is further reflected in y-axis. Find the so-ordinates of the image M''. Also, find the image of M (2, -9) in the origin.
2. If point P (-2, 7) is reflected in the origin, then find the co-ordinates of the image P’. It is again reflected in y-axis. Find the image of P' i.e., P''
3. Write the reflection in different axis when the co-ordinates of the object and image are known.
Object Image
(i) P (5, -2) P'
(-5,-2)
(ii) Q (-1, 3) Q' (-1, -3)
(iii) R (-2, -4) R'
(2, 4)
(iv) S (0, -3) S' (0, 3)
4. Point P (h, k) is reflected in x-axis and point P' is obtained as the image of P. now P' is reflected in y-axis the image of P’ is obtained as P’’. Find the co-ordinates of P''.
5. If point M (-3, 8) is reflected in origin, then find the co-ordinate of the image M'. It is again reflected in y-axis. Find the image of M' i.e., M''.
Answers for the worksheet on reflection in different axis are given below to check the exact answers of the above questions on reflection.
Answers:
1. M' (2, 9), M'' (-2, 9); in origin (-2, 9)
2. P' (2, -7), P'' (-2, -7)
3. (i) Y
(ii) X
(iii) origin
(iv) X
4. P'' (-h, -k)
5. M' (3, -8), M'' (-3, -8)
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