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reflection in the x-axis
yup.
In transformations a reflection across the x axis produces a mirror image
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.
It is: (1, -5) reflection across the y axis
Reflection across the y-axis changes the sign of the x - coordinate only, that is, (x, y) becomes (-x, y).
y = -f(x) is a reflection of y = f(x) in the x axis.
c
For a reflection across the x axis, both the slope and the y intercept would have the same magnitude but the opposite sign.
y' = y, x' = -x.
reflection in the x-axis
The y-axis is the symmetry line, so that (5, -3) and (-5, -3) are symmetric points.
yup.
In transformations a reflection across the x axis produces a mirror image
Nothing really happens. y is swapped for -y. But that is what reflection means and so is a tautological answer!
a horizontal reflection is a reflection of the y axis. i.e (-fx)