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# Annotation of /trunk/NationalProblemLibrary/Rochester/setVectors5Coordinates/urvc_3_7.pg

 1 : jjholt 205 ## DESCRIPTION 2 : ## Cylindrical and Spherical Coordinates and Surfaces 3 : ## ENDDESCRIPTION 4 : jj 140 5 : jjholt 205 ## KEYWORDS('Coordinate', 'Cylindrical', 'Spherical', 'Surface') 6 : ## Tagged by nhamblet 7 : jj 140 8 : jjholt 205 ## DBsubject('Calculus') 9 : ## DBchapter('Vectors and the Geometry of Space') 10 : ## DBsection('Cylindrical and Spherical Coordinates') 11 : ## Date('5/30/2000') 12 : ## Author('Joseph Neisendorfer') 13 : ## Institution('Rochester') 14 : ## TitleText1('') 15 : ## EditionText1('') 16 : ## AuthorText1('') 17 : ## Section1('') 18 : ## Problem1('') 19 : 20 : jj 140 DOCUMENT(); # This should be the first executable line in the problem. 21 : 22 : loadMacros( 23 : "PG.pl", 24 : "PGbasicmacros.pl", 25 : "PGchoicemacros.pl", 26 : "PGanswermacros.pl", 27 : "PGauxiliaryFunctions.pl" 28 : ); 29 : 30 : TEXT(beginproblem()); 31 : $showPartialCorrectAnswers = 0; 32 : 33 :$ml = new_match_list(); 34 : $ml -> qa ( 35 : "$$\phi = \frac{\pi}{3}$$", 36 : "Cone", 37 : "$$\theta = \frac{\pi}{3}$$", 38 : "Half plane", 39 : "$$\rho = 4$$", 40 : "Sphere", 41 : "$$r =4$$", 42 : "Circular Cylinder", 43 : "$$z = r^2$$", 44 : "Elliptic or Circular Paraboloid", 45 : "$$\rho = 2\cos(\phi )$$", 46 : "Sphere", 47 : "$$\rho \cos(\phi )= 4$$", 48 : "Plane", 49 : "$$r^2 + z^2 =16$$", 50 : "Sphere", 51 : "$$r = 2\cos(\theta )$$", 52 : "Circular Cylinder" 53 : ); 54 :$ml ->choose(9); 55 : 56 : BEGIN_TEXT 57 : $PAR 58 : Match the given equation with the verbal description of the surface: 59 :$PAR 60 : \{ $ml -> print_a \} 61 :$PAR 62 : \{ $ml -> print_q \} 63 : 64 : 65 : END_TEXT 66 : 67 : ANS(str_cmp($ml->ra_correct_ans ) ) ; 68 : 69 : 70 : ENDDOCUMENT(); # This should be the last executable line in the problem.