om this equation : x = 0, y= ±6-,x=l,y^ ±5-96; x = 2,y^ ±5-85; x = S,y= ±5-66; ^ = 4, 32 Analytical Geometry. y ±5-3 y=±4-99; x = Qi, i/=±i47, x = 7, y= ±3-77 J x = S, y= ±2-75; ic = 9, ^ = 0. Plotting the corresponding points we obtain P^, P^, Pg,.... P^, Pj, P2 .... If we give to x the values-1,… … of that to the right. For the reason stated in dis-cussing the other graphs, this also is continuous. In this case, as will subsequently appear, the graphis the curve called the ellipse,—one of the class knownas conic sections. Here again, while the values of xproceed by equal increments of 1, the…
Geometry, Analytic
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