Approximate Irrational Numbers

Approximate Irrational Numbers

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.

2.

FLASHCARD QUESTION

Front

What is the square root of a number?

Back

The square root of a number 'x' is a value 'y' such that y² = x. For example, √9 = 3 because 3² = 9.

3.

FLASHCARD QUESTION

Front

Between which two integers does √26 fall?

Back

√26 falls between 5 and 6.

4.

FLASHCARD QUESTION

Front

Between which two integers does √98 fall?

Back

√98 falls between 9 and 10.

5.

FLASHCARD QUESTION

Front

Which of the following is a rational number: √20, √64, 6π, √7?

Back

√64 is a rational number because it equals 8.

6.

FLASHCARD QUESTION

Front

In between which two integers is the square root of 77?

Back

The square root of 77 is between 8 and 9.

7.

FLASHCARD QUESTION

Front

Which of the following is irrational: 0.444444444, -4/5, π, 0.2?

Back

π is an irrational number.

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