Question
A point A (7, 2) is flipped over the y-axis and is then rotated 180 degreed. What is A’?
- (7, -2)
- (-7, 2)
- (-7, -2)
- (2, 7)
Hint:
In this question we have to use the properties of reflection of a point along the axis and rotation over the axis.
The correct answer is: (7, -2)
The point A (7, 2) is flipped over the y-axis, we get the point (-7,2) and then it is rotated 180° about the origin, we get the point (7,-2).
Hence, the correct option is C.
A rotation is a transformation in a plane that turns every point of a preimage through a specified angle and direction about a fixed point.
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