Q: What does reflection over the y axis mean?

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reflection in the x-axis

For reflection in the x-axis, change the sign of the y-coordinate of every point.For reflection in the y-axis, change the sign of the x-coordinate of every point.

If the coordinates of a point, before reflection, were (p, q) then after reflection, they will be (-p, q).

c

Reflection about the y-axis.

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Example: if you have a point with the coordinates (2,4), a reflection over the y-axis will result in the point with coordinates (-2,4).

(x,-y)

For a reflection over the x axis, leave the x coordinate unchanged and change the sign of the y coordinate.For a reflection over the y axis, leave the y coordinate unchanged and change the sign of the x coordinate.

reflection in the x-axis

They are (-a, b).

Reflection in the y-axis.

It is: (1, -5) reflection across the y axis

Reflections are congruence transformations where the figure is reflected over the x-axis, y-axis, or over a line.

y = -f(x) is a reflection of y = f(x) in the x axis.

a horizontal reflection is a reflection of the y axis. i.e (-fx)

For reflection in the x-axis, change the sign of the y-coordinate of every point.For reflection in the y-axis, change the sign of the x-coordinate of every point.

A' = (-1, -2)