Posted by **Anonymous** on Saturday, October 19, 2013 at 10:49pm.

-3.5,-3,-v3,1,0,2/9,v5,15.3,18 my teacher said to write which ones are natural, rational, whole, integers, irrational, & real which i understand but i don't know what she means by -v3 & v5?

- math -
**Reiny**, Saturday, October 19, 2013 at 11:04pm
I am taking a wild guess that what you wrote as

v5 was really √5

numbers such as √5 and -√3 are irrational, since they cannot be written as fractions, where numerator and denominator are integers

irrational ----> not rational ----> not a ratio

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