Section%202.2

Section%202.2 - ‘& ice/930% MA 180 - Precalculus...

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Unformatted text preview: ‘& ice/930% MA 180 - Precalculus Professor Terry Section 2.2: Graphs of Equations E] Sketching the Graph of an Eguation Intercepts of a Graph Terminolog Gra hical Interpretation x-intercepts The X ‘ @4370de of points where the graph intersects the K—CLJLK%. ylintercepts The IHCGMWWS of points where the graph intersects the g—aflfi . Sketch the graph of the equation, and label the x- and y—intercepts. y=—2x—3 X‘AWCA'JK'LOYL 2 €56an I, _ y=—x +2 MA180 8862.2 FaIIOS ewt Sketch the graph of the equation, and label the x— and y-intercepts. . A S mmetries of Gra he of E uations in x and Use tests for symmetry to determine which graphs are symmetric with respect to the (a) y-axis, - - - 0 __ __ 2 _ 2 _ 3 (b) the X-aXIS and (c) the origin. y _ x + 2 x _ —2y y — x yr 3 Te LS ‘0. {0% G gamera afloow‘; +141 h-eptau X‘ “X at MEE‘C: (a zflfizt 5) Quart %ZH(”X31+Q 3%2fl'x9f—fa @ Bijrg demo? the. Xram: WP‘QLE 9 WM -j 956 Mime: 1X2 flag: Scum: X z flQC-fly‘ 5 X 1: ‘ Eigmmogvj OVL Wt ?€P\&C9 X (Ugh »— x ODD] (fie-P‘QU E? —(j chaflO‘G 7 : —~ g z X939 ._ % ‘2 _. X MA180 8862.2 Fall06 ewt a Z 3 Circles _ OVK§(H CCWJC; 5JC£\W Standard Equation of a Circle with Center (h,k) and Radius r is (x—h)2 +(y—Ic)2 =r2 Unit circle ‘ ‘ ' [ML (Ora 3 'q \143 MW _ ______77777>_; Find an equation of the circle with Center at the origin passing through P( j — 7). _7 . lg A M‘mé’ 8mm 'Ci/rvuMLXCt # CUEMS L{ r2 W 2 r2 Wife—fl 7 -fl¢? (whit-+0544": (1 Find the centerand radius ofthe circlewith the equation: x2+y2+8x—10y+37:0 ‘ 7 R "WJ’E'f 23 Gigi—afiwflé :58)»: "ewe » > 77 -_ 7 7,“ ( t0)—— 5 . l )2 7’ «24¢ H =\@ were) ~t 7033121, Edgy g 24 ' CX‘MZ +Cg—F9ki) 2; (30m); +(5~S) 2 2 _____ 77777 7__ __ 7V , WWW,“ . r ,. ,. ,,______ "I__n —._.____..‘...._... m“- _ (X403 +£5ka fir \ Fingfltheequatigns for the upper haif, lower half, right half and left half of the circle. C 9"“ 15V 6‘ 3; Pdegcmb' r: 8* X'z *3~YGL{“j‘2 X‘: -34- Check using a graphing utility. MM 80 Sec2.2 FaIIOS ewt ...
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Section%202.2 - ‘& ice/930% MA 180 - Precalculus...

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