1b: find the coordinates of the center and the radius of the circle: x^2+y^2+8x+12y+48=0 This is an exercise among a collection of selected problems from Precalculus university or college level course. Ideal for Concordia McGill Harvard Boston New York Oxford Manchester California Stanford Massachusetts Princeton Cambridge Chicago London Yale Columbia Duke Michigan Cornell Toronto Washington Austin Texas Hong Kong Ohio Purdue Leiden Ecole polytechnique Sydney Basel Bristol Durham Tokyo Russia Monash McMaster Stockholm Montreal Quebec Paris Geneva trinity Indiana Leeds Utah Stanford Yale Imperial college Johns Hopkins Duke Cornell Georgia technology Universities and more. Enjoy it :) Sponsored by: http://www.24yahoo.com http://www.24yahoo.info http://www.exalearn.org http://www.moodle.24google.com http://www.mobile.24google.com http://www.math.2join2.com http://www.mymathlab.ca http://www.futurecreativity.ca http://www.futurecreativity.info subscribe to our channel: http://youtube.com/mathmontrealmath MATH SERIES IS DESIGNED FOR EDUCATIONAL PURPOSES ONLY AND COVER COURSES MATH 200, 201, 202, 203, 204, 205, 206, 208, 209. Check our Math Mobile apps at http://www.concordiamcgilldawsonvaniermathappcollegecegepuniversity.2join2.com and iphone app at https://itunes.apple.com/us/app/math201/id915598362?mt=8 math precalculus for business economics math montreal math 201 math Concordia McGill vanier