Check your Understanding
Identify the principal roots of each number and tell whether it is rational or irrational
neth Root
Principal
Roots
Rational or
Irrational
1. V81
2. V88
3. 500
4. V625
27
5.
125
6. V0.25
7. 90
8. 164
9. 1432
10.72500
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ANSWERS
1.Rational
2.Irrational
3.Irrational
4.Irrational
5.Irrational
6.Rational
7.Irrational
8.Irrational
9.Irrational
10.Irrational
REMEMBER
If the square root of a number is infinite or neverending tha square root of a number is irrational.But if the square root of a number has an end it is rational example: