Which of the following numbers is rational? -0.5, $$\sqrt{16}$$ , $$\sqrt{11}$$ , $$\sqrt{200}$$

$$\sqrt{16}$$ (which equals 4) is rational.

Which of the following numbers is irrational? -0.5, $$\frac{3}{4}$$ , $$\frac{\pi}{2}$$ , $$\sqrt{289}$$

$$\frac{\pi}{2}$$ is irrational.

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.

What is the product of two irrational numbers?

The product of two irrational numbers can be either rational or irrational.

Give an example of a rational number.

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

What is the difference between rational and irrational numbers?

Rational numbers can be expressed as fractions, while irrational numbers cannot.

Is $$\sqrt{16}$$ rational or irrational?

$$\sqrt{16}$$ is rational because it equals 4.

What is the square root of a perfect square?

The square root of a perfect square is a rational number.

Can a whole number be irrational?

No, whole numbers are always rational.

What is the value of $$\sqrt{289}$$ ?

$$\sqrt{289}$$ equals 17, which is rational.

Rational vs. Irrational #1 Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

Irrational numbers are ___________________________________

Back

decimals that do not end or repeat.

2.

FLASHCARD QUESTION

Front

Back

3.

FLASHCARD QUESTION

Front

Back

4.

FLASHCARD QUESTION

Front

Define rational numbers.

Back

5.

FLASHCARD QUESTION

Front

What is an example of an irrational number?

Back

6.

FLASHCARD QUESTION

Front

What is the decimal representation of an irrational number?

Back

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

7.

FLASHCARD QUESTION

Front

Back

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