https://www.quora.com/What-is-the-general-form-of-any-point-in-the-x-axis

https://www.toppr.com/ask/question/what-will-be-general-form-of-any-point-on-the-yaxis/

https://www.toppr.com/ask/en-be/question/any-point-on-the-x-axis-is-of-the-form/

http://www.amsi.org.au/teacher_modules/Introduction_to_coordinate_geometry.html

https://www.varsitytutors.com/hotmath/hotmath_help/topics/reflections

https://courses.lumenlearning.com/cuny-hunter-collegealgebra/chapter/outcome-the-coordinate-plane-2/

https://quickmath.com/math-tutorials/the-circle-and-symmetry.html

https://opentextbc.ca/calculusv3openstax/chapter/vectors-in-three-dimensions/

https://mathbitsnotebook.com/Algebra1/FunctionGraphs/FNGTransformationReflection.html

https://saylordotorg.github.io/text_elementary-algebra/s06-01-rectangular-coordinate-system.html