reflection in the x-axis
For a given coordinate pair. A reflection in the y-axis is making the 'x' term negative. e.g. ( a,b,) ' (-a, b). Similarly for a reflection in the x-axis is making the 'y' term negative. e/.g. ( c,d) ; ( c,-d).
If the coordinates of a point, before reflection, were (p, q) then after reflection, they will be (-p, q).
Reflection about the y-axis.
c
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.
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)
A' = (-1, -2)
All y-values in the function are multiplied by -1. This function is 'flipped' over the x-axis.
Reflection across the y-axis changes the sign of the x - coordinate only, that is, (x, y) becomes (-x, y).