# Centroid Help!

• April 24th 2009, 02:37 PM
aeubz
Centroid Help!
http://img227.imageshack.us/img227/7518/slowge9.jpg

lol trying to find a the center ,x.

the answer is x = 3/8b...

mistake lol ?
• April 24th 2009, 02:42 PM
Jester
Quote:

Originally Posted by aeubz
ImageShack - Image Hosting :: slowge9.jpg

lol trying to find a the center ,x.

the answer is x = 3/8b...

mistake lol ?

Since the horizontal line meets the parabola at $x = b$ then $h = ab^2$. Substituting this gives your answer.
• April 24th 2009, 03:30 PM
aeubz
Quote:

Originally Posted by danny arrigo
Since the horizontal line meets the parabola at $x = b$ then $h = ab^2$. Substituting this gives your answer.

thanks!!!