2007 Alabama ARML TST Problems/Problem 6
Revision as of 23:11, 16 June 2008 by Xantos C. Guin (talk | contribs) (New page: ==Problem== If <math>r</math> is a root of <math>x^2+x+6</math>, then compute the value of <cmath>r^3+2r^2+7r+17.</cmath> ==Solution== Note that <math>r^2+r+6=0</math>. Thus, <math>r^3+2...)