The image of the point (-5, 7) in y-axis has the coordinates

(a) (5, 7)

(b) (-5, -7)

(c) (5, -7)

(d) (7, -5)

Given: Point (-5, 7)

To find: Coordinates of the image of the point (-5, 7) in y-axis.

Solution:

Here y-axis acts as a plane mirror.

Rules to find the reflection of a point in the y-axis:

(i) Change the sign of abscissa i.e., x-coordinate.

(ii) Retain the ordinate i.e., y-coordinate.

So, coordinates of the required point is:

(5, 7)

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Updated on: 10-Oct-2022

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