Pre-Algebra Review Topic Practice with Rational and Irrational Numbers Topic Index | Algebra Index | Regents Exam Prep Center

Tell whether these numbers are rational or irrational.

0.9

Explanation Terminates.

-6

Explanation It goes on and on ... 1.7320508.....

Explanation It goes on and on..... 3.1415927...

Explanation Repeats in a pattern. -.111111111111....

Explanation Repeats in a pattern. 0.6363636363.....

0.12357102...

Explanation ... means the number goes on and on and on ...