What is the reciprocal of a fraction $$\frac{a}{b}$$ ?

The reciprocal is $$\frac{b}{a}$$ .

How do you find the reciprocal of a decimal, e.g., 0.25?

Convert to fraction: $$0.25 = \frac{1}{4}$$ , then take reciprocal: $$4$$ .

What is the product of a number and its reciprocal?

1 (e.g., $$x \cdot \frac{1}{x} = 1$$ for any non-zero x).

If a number is 0, what is its reciprocal?

Undefined (0 has no reciprocal).

Reciprocals Flashcards

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14 questions

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1.

FLASHCARD QUESTION

Front

What does KFC stand for in math?

Back

Keep Flip Change

2.

FLASHCARD QUESTION

Front

What is the only number that has NO reciprocal?

Back

0

3.

FLASHCARD QUESTION

Front

What is the reciprocal for 10?

Back

4.

FLASHCARD QUESTION

Front

What is the reciprocal of 9?

Back

5.

FLASHCARD QUESTION

Front

Define reciprocal.

Back

The reciprocal of a number is 1 divided by that number.

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

What is the reciprocal of -5?

Back

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