For a reflection across the x axis, both the slope and the y intercept would have the same magnitude but the opposite sign.
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(x' , y') = (-x + 1 , y + 4)
The reflection of a point across the y-axis involves changing the sign of the x-coordinate while keeping the y-coordinate the same. In this case, the point (-1, -5) will reflect to (1, -5) across the y-axis. This is because the x-coordinate changes from -1 to 1, while the y-coordinate remains -5.
It will have moved 180 degrees and it will be up side down
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