[ab initio mathematics] The 159th section inverse proportion function summary and review question

plot summary:
[Machine Xiao Wei] in the [engineer Ah Wei] accompanied by the construction of the post-foundation cultivation,
The goal of this practice is to [inverse proportional function Summary and review questions].

Drama Start:

Star Calendar April 03, 2016 09:50:19, the Milky Way Galaxy Earles the Chinese Empire Jiangnan Line province.
[Engineer Ah Wei] is working with [machine Xiao Wei] to study [inverse proportional function Summary and review questions].

<span style= "FONT-SIZE:18PX;"            >if (1) {var r = 20;              Config.setsector (1,1,1,1);            Config.graphpaper2d (0, 0, R);              Config.axis2d (0, 0,180, 1.5);          Axis set var ScaleX = 2*r, ScaleY = 2*r;           var SpaceX = 2, SpaceY = 2;          var XS = -10, XE = 10;          var YS = -10, YE = 10;            Config.axisspacing (XS, XE, SpaceX, ScaleX, ' X ');                        Config.axisspacing (YS, YE, SpaceY, ScaleY, ' Y ');    var transform = new transform ();            Store the points on the function image var a = [], b = [], c = [], d = []; Description of the function to be shown var f1 = ' y=2/x ', F2 = ' y=2/|x| ', F3 = ' y=-2/x ', F4 = ' y=-2/|x| '; /function Stroke var x = xs;while (x <= XE) {if (Math.Abs (x) <= 2) {x + = 0.25;} else {x + = 1;}  if (x! = 0) {//a.push ([x, 2/x]);  B.push ([x, 2/math.abs (x)]);        C.push ([x, -2/x]);d. push ([x, -2/math.abs (x)]);}}                  Store temporary array var tmp = []; Show transform if (A.length > 0) {a = Transform.scale (Transform.translate (A, 0, 0), Scalex/spacex, Scaley/spacey);    function 1tmp = [].concat (a);    Shape.pointdraw (TMP, ' red ');    TMP = [].concat (a);    Shape.multilinedraw (tmp, ' Pink ');  Plot.setfillstyle (' red ');p Lot.filltext (F1, 200,-90, 200);      }if (B.length > 0) {b = Transform.scale (transform.translate (b, 0, 0), Scalex/spacex, Scaley/spacey);    function 2tmp = [].concat (b);    Shape.pointdraw (tmp, ' Blue ');    TMP = [].concat (b); Shape.multilinedraw (tmp, ' #22CCFF '); Plot.setfillstyle (' Blue ');p lot.filltext (F2, 200,-120, 200);  } if (C.length > 0) {c = Transform.scale (Transform.translate (c, 0, 0), Scalex/spacex, Scaley/spacey);    TMP = [].concat (c);    Shape.pointdraw (TMP, ' green ');    TMP = [].concat (c);  Shape.multilinedraw (tmp, ' #CCFF22 ');  Plot.setfillstyle (' green '); Plot.filltext (F3, 200,-150, 200);  }if (D.length > 0) {d = Transform.scale (transform.translate (d, 0, 0), Scalex/spacex, Scaley/spacey);    TMP = [].concat (d);    Shape.pointdraw (tmp, ' orange ');    TMP = [].concat (d); Shape.multilinedraw (TMP, ' #CC8800 ');  Plot.setfillstyle (' orange '); Plot.filltext (F4, 200,-180, 200); }}</span>

The end of this section, to know how to funeral, please see tell.

[ab initio mathematics] The 159th section inverse proportion function summary and review question