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5 votes
Which is irrational?

A. √
(64)/(2)
B. 0.82 (there is a line over 8 and 2)
C.
(2)/(3)
D.
( √(25) )/( √(81) )

1 Answer

3 votes
simplify when possible
rational is also in form a/b where b is not equal zero

A. sqrt64=8, over sqrt2, sqrt2=irrational so instanly we know this is answer
b. repeting, rational
c. fraction, rational
d. sqrt25=5, sqrt81=9


answer is A
User Jacobsowles
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