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View Full Version : Solving Eqautions By Graphing



sweettoothqurly
05-12-2009, 07:57 PM
x^2+4x+3=0 Can anyone show me how to do this? :?:

DrMike
05-12-2009, 08:19 PM
x^2+4x+3=0 Can anyone show me how to do this? :?:

Do you know how to sketch the graph of x^2+4x+3 ? (hint - it's a parabola)

Once you sketch the graph, you can read off the (approximate) solutions from the graph.

stapel
05-13-2009, 11:10 AM
x^2+4x+3=0 Can anyone show me how to do this? :?:
To learn how to graph quadratics, try here (http://www.purplemath.com/modules/grphquad.htm). :wink: