Is $$\sqrt{4}$$ rational or irrational?

Rational, because $$\sqrt{4} = 2$$ , which can be expressed as $$\frac{2}{1}$$ .

What is the square of 4?

The square of 4 is 16, since $$4^2 = 16$$ .

Classify $$\frac{3}{4}$$ : Rational, Irrational, Neither, or Both?

Rational, because it can be expressed as a fraction of two integers.

What is the decimal representation of an irrational number?

The decimal representation of an irrational number is non-terminating and non-repeating.

Give an example of a rational number.

An example of a rational number is $$\frac{1}{2}$$ .

Give an example of an irrational number.

An example of an irrational number is $$\sqrt{3}$$ .

Is 0 a rational number?

Yes, 0 is a rational number because it can be expressed as $$\frac{0}{1}$$ .

What is the sum of a rational number and an irrational number?

The sum of a rational number and an irrational number is always irrational.

Can the product of two irrational numbers be rational?

Yes, the product of two irrational numbers can be rational, for example, $$\sqrt{2} \times \sqrt{2} = 2$$ .

Rational vs Irrational Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a rational number?

Back

2.

FLASHCARD QUESTION

Front

What is an irrational number?

Back

3.

FLASHCARD QUESTION

Front

Back

4.

FLASHCARD QUESTION

Front

Back

Irrational, because it cannot be expressed as a fraction of two integers.

5.

FLASHCARD QUESTION

Front

Back

Irrational, because it cannot be expressed as a fraction of two integers.

6.

FLASHCARD QUESTION

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer.

7.

FLASHCARD QUESTION

Front

Is 244 a perfect square?

Back

No, 244 is not a perfect square.

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