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Topic I really need help. Please.
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Original Post
Anonymous Posted at 6:25 pm on Oct. 12, 2008
I can't fail this test, or I won't pass the class. Please just try to help me with this math problem.  Please.

You toss a ball into the air at a height of five feet.  The velocity of the ball is 30 feet per second.  You catch the ball six feet from the ground.  Use the model

6=-16t^2+30t+5

to find how long the ball was in the air.

I really don't have any idea how to solve this problem.  Help?

Replies
Anonymous Posted at 6:29 pm on Oct. 12, 2008
Quote: from HeartofJuyoMk2 at 6:27 pm on Oct. 12, 2008

look up the eyeglass or grouping methods

Thanks.  I'll try that.

Anonymous Posted at 6:28 pm on Oct. 12, 2008
Quote: from HeartofJuyoMk2 at 6:27 pm on Oct. 12, 2008

you can't be above 13 and not know how to solve a simple quadratic

Oh, thank you for being so helpful.  

Please, I'm not asking to be ridiculed.  I need help.

HeartofJuyoMk2 Posted at 6:27 pm on Oct. 12, 2008
look up the eyeglass or grouping methods
HeartofJuyoMk2 Posted at 6:27 pm on Oct. 12, 2008
you can't be above 13 and not know how to solve a simple quadratic
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