median
don steward
mathematics teaching 10 ~ 16

Showing posts with label reciprocal. Show all posts
Showing posts with label reciprocal. Show all posts

Tuesday, 15 March 2011

Wednesday, 20 October 2010

number plus reciprocal

what is the smallest positive value that a number plus its reciprocal can have?

test this with decimals and fractions

trying to prove the result might involve rearranging an inequality




a number added to its reciprocal is 2.9, what is it?

a number added to its reciprocal is 2.05, what is it?

a number added to its reciprocal is 2.625, what is it?