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Rational and Irrational Numbers Practice

Last updated over 6 years ago

20 questions

1

1

1

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Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

Question 19

19.

Question 20

20.

Rational or irrational?  -101

rational

irrational

Rational or irrational? 21.192

Rational

 irrational

Rational or irrational 

Rational 

 irrational

Rational or irrational 8/17

Rational

irrational

Rational

irrational

Rational

irrational

Rational 

irrational

rational

irrational

All decimal forms are equivalent to 21.5 EXCEPT

-11.3 is rational because

it is negative.

It can be written as a ratio.

The decimal terminates.

Both b & c are correct.

The answer is a decimal that does not terminate or repeat.

The answer cannot be expressed as a fraction.

Both A & B are correct.

Neither A & B are correct because it is a rational number.

is rational because it has a repeating decimal.

is irrational because it goes on forever.

2.13171938... is irrational because

it is a decimal that goes on forever without repeating

It is rational because it repeats.

6/9

2/3

1/3

3/5

1/9 (one-ninth)

1 1/9 (one and one-ninth)

11/9 (eleven-ninths)

1 1/10 (one and one-tenth)

4/9

9/4

4 4/9 or 40/9

4  2/5

9  9/11

9  9/99

9  1/11

9 and 9/100

2  9/10

2  90/99

2  10/11

Which is an irrational number?

1/3

11.2092