> And I say 'Don't waste more time avoiding > mathematics.' Beyond that, > why is a geometry teacher facing a situation where a > student needs to > apply the quadratic formula? Especially, without > having any idea > what it means or where it came from? More blind rote > response > instead of mathematics understanding? > > Wayne
There are 2 intersecting chords in a circle whose lengths are 10 and 7. If the longer chord is divided into parts of 1 and 9, what are the lengths of the 2 parts of the shorter chord?
> At 03:07 PM 7/8/2013, Richard Strausz wrote: > > > Can they "complete the square"? If not, start > there. > > > If they don't > > > get it, stop there. > > > > > > Wayne > > > > > > >What would you have a geometry teacher do when > facing a student who > >didn't master completing the square in his past? I > say 'let him sing > >the darn song! > > > >Richard > > > > > > > At 01:08 PM 7/8/2013, Richard Strausz wrote: > > > >...and then there is the 'quadratic formula > song' > > > that some of my > > > >students used to help them learn it: > > > > > > > >https://www.youtube.com/watch?v=RgcvxI4b85Q > > > > > > > >Richard