If A has coordinates (2, -4) and is reflected over the y-axis, find the coordinates ofA'.
Question
If A has coordinates (2, -4) and is reflected over the y-axis, find the coordinates ofA'.
Solution
When a point is reflected over the y-axis, the x-coordinate changes sign while the y-coordinate remains the same.
So, if A has coordinates (2, -4), after reflection over the y-axis, the coordinates of A' will be (-2, -4).
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