The elements of plane analytic geometry. A text-book including numerous examples and applications, and especially designed for beginners (1903)
Briggs, George R. (George Russell), b. 1853, Bôcher, Maxime, 1867-1918 · New York, J. Wiley & sons; [etc., etc.] · leaf 21
ic sign ;or, in other words, that the point must be just as far from oneaxis as from the other, and that its directions from the axes areeither both positive or both negative. The point will satisfyboth of these conditionsif it is anywhere on theline A B which bisectsthe angle X O Y, and itcannot… … 14 ANALYTIC GEOMETRY. If the coordinates of P are connected by the equation x = — y^we readily see that P must lie somewhere on the line CD whichbisects the angle Y O X\ 13. The simple examples of § 12 illustrate the fact that anysingle equation connecting x and 7, the coordinates of P^ thoughnot…
Geometry, Analytic -- Plane
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