Answer:

1.rational

The square root of 121 is a rational number.

2.irrational

The square root of 56 is 7.483 approximated to 3 decimal places. √56 is an irrational number.

3.irrational

√88 = 9.380831519646859 and thus we cannot express this as a rational number of the form p/q. This is a non-terminating decimal. Therefore, the square root of 88 is irrational

4.Rational

Explanation: 0.8 can be expressed as the ratio of two integers (namely 810 ) which is the definition of a rational number.

5.Rational

So for example, √7 is a surd, and as it is irrational, its decimal expansion would go on forever without a recurring pattern. Note that square roots of decimals or fractions are not always surds. For example, √6.25=2.5 which is rational and therefore not a surd.

Step-by-step explanation:

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Answer:

1.Rational

2.Irrational

3.Irrational

4.Irrational

5.Rational

Step-by-step explanation:

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