Monthly Archives: June 2009

jctrumannar asked: I need to determine algebraically that the function y=(x+2)(x^2-4x+4.01) only has one zero at x=-2 I am supposed to use the discriminan. Can someone demonstrate to me how this problem is solved? Question posted courtesy of: Caffeinated Content for WordPress How to determine that a function only has one zero? This day in … Continue reading