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Chapter 1: Q. 679 (page 143)

In the following exercises, identify whether each number is rational or irrational.

鈸�25鈸�30

Short Answer

Expert verified

The required answer is

Part(a)25isrationalPart(b)30isirrational

Step by step solution

01

Part (a) Step 1: Given information

25

02

Part (a) Step 2: Calculation

25isaperfectsquareSince52=25.therefore25isrational

03

Part (b) Step 1: Given information

30

04

Part (b) Step 2: Calculation

Rememberthat52=25and62=36,so30isnotaperfectsquare.Thereforethedecimalformof30willneverrepeatandneverstop,.So30isirrational

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