Will FAN/MEDAL

If AB = 10, what is the length of DE

https://oconomowoc.owschools.com/media/g_geo_2012/12/img_geou12a_9.gif

Question

Will FAN/MEDAL

If AB = 10, what is the length of DE

https://oconomowoc.owschools.com/media/g_geo_2012/12/img_geou12a_9.gif

mven · Answer

@Hannah_Waller  you have an idea?

mven · Answer

@judyd94

anonymous · Answer

AC*CB=DC*CE
CB=10-4=6
4*6=DC(8)
DC=24/8=3
DE=DC+CE=3+8
DE=11

mven · Answer

cool thanks. your turn

anonymous · Answer

your welcome was it one of your option choice

mven · Answer

yes it was. and makes a lot of sense.

mven · Answer

if you have a question we can answer yours then mine. I have a few im stuck on

anonymous · Answer

Find the vertex of this parabola:
y = -x2 + 2x − 7

anonymous · Answer

parabola are so confusing

mven · Answer

hmmm. ive got to remember this...

anonymous · Answer

the formula is (y-k)=a(x-h)^2

anonymous · Answer

i so hate math

mven · Answer

same. and im sorry but i cant remember this

anonymous · Answer

we can come back to mines whats your question

mven · Answer

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