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June 1st, 2014, 02:15 PM  #1 
Newbie Joined: Apr 2014 From: Raleigh Posts: 4 Thanks: 0  Solving for a Variable In Terms of Another
h = 1/2gt^2 + v(subscript 0)t for t 
June 1st, 2014, 07:33 PM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,700 Thanks: 2682 Math Focus: Mainly analysis and algebra 
You have a quadratic equation in $t$. If you can't factor it, you can use the equation for the roots of a quadratic equation (which is obtained by completing the square).

June 2nd, 2014, 01:33 AM  #3 
Global Moderator Joined: Dec 2006 Posts: 21,127 Thanks: 2336 
As it's a quadratic equation, there are usually two solutions. Often, only one is relevant, but problems are sometimes set where both solutions are relevant.


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