HELP! Medal and I will become a fan!!

Using complete sentences, explain how graphing technology can be used to approximate the solutions of a quadratic equation.

Question

HELP! Medal and I will become a fan!!

Using complete sentences, explain how graphing technology can be used to approximate the solutions of a quadratic equation.

anonymous · Answer

http://answers.yahoo.com/question/index?qid=20120113135254AA6UxXh

anonymous · Answer

http://openstudy.com/study#/updates/5078cb6ee4b0ed1dac5115a6

anonymous · Answer

If these don't help, let me know.

ybarrap · Answer

By graphing, you can find where the graph crosses the x-axis. If the solutions are real, the graph will cross at two locations, say $x_1$ and $x_2$. Then the function that represents the graph will be $f(x)=(x-x_1)(x-x_2)$, approximately.

anonymous · Answer

Thank you @ybarrap

ybarrap · Answer

np