Mathematics
The reflection of the point P(-2, 3) in the y-axis is
(2, 3)
(2, -3)
(-2, -3)
(0, 3)
Reflection
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Answer
We know that,
Rule to find reflection of a point in y-axis :
- Change the sign of abscissa i.e. x-coordinate.
- Retain the ordinate i.e. y-coordinate.
∴ Coordinates of point P(-2, 3) on reflection in y-axis is (2, 3).
Hence, Option 1 is the correct option.
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Related Questions
Use a graph paper for this question. (Take 10 small divisions = 1 unit on both axes). P and Q have coordinates (0, 5) and (-2, 4).
(i) P is invariant when reflected in an axis. Name the axis.
(ii) Find the image of Q on reflection in the axis found in (i).
(iii) (0, k) on reflection in the origin is invariant. Write the value of k.
(iv) Write the coordinates of the image of Q, obtained by reflecting it in the origin followed by reflection in x-axis.
The reflection of the point P(-2, 3) in the x-axis is
(2, 3)
(2, -3)
(-2, -3)
(-2, 0)
If the image of the point P under reflection in the x-axis is (-3, 2), then the coordinates of the point P are
(3, 2)
(-3, -2)
(3, -2)
(-3, 0)
The reflection of the point P(1, -2) in the line y = -1 is
(-3, -2)
(1, -4)
(1, 4)
(1, 0)