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).
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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.
Which point is not located on the xaxis or the yaxis of a coordinate grid?Read more:Which_point_is_not_located_on_the_xaxis_or_the_yaxis_of_a_coordinate_grid
.... then your graph is inverted.
It is called the ordinate.
The vertical y axis on the Cartesian plane is both negative and positive
you can reflect in thought, or reflect some thing in a Mirror. There's other ways to reflect to.