{ "name": "Polar Curves and Rectangular Conversions", "order": 17, "challenges": [ { "id": "59a5801209a6acac5983b550", "title": " Polar and Rectangular Conversions", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a583", "title": " Rectangular to Polar Conversions", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a584", "title": " Rectangular to Polar Form for Equations", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a585", "title": " Intersections of Polar Curves", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a586", "title": " Equivalent Polar Curves", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a587", "title": " Systems of Polar Equations", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }