Reflection of a Triangle Over the Y-Axis

Very Easy Geometry And Measurement Transformations

In a coordinate plane, a triangle with vertices at points A(1, 1), B(1, 4), and C(4, 1) is reflected over the y-axis. What will be the coordinates of the triangle's new vertices after the transformation?

A'(-1, 1), B'(-1, 4), C'(-4, 1)

A'(-1, -1), B'(-1, -4), C'(-4, -1)

A'(1, 1), B'(1, 4), C'(4, 1)

A'(-1, 1), B'(-1, -4), C'(-4, -1)

A'(1, -1), B'(1, -4), C'(4, -1)

Hint

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