Negative Reciprocals

Front

What is the definition of a negative reciprocal?

Back

The negative reciprocal of a number is the value obtained by taking the reciprocal of that number and changing its sign.

Front

What is the negative reciprocal of 1/2?

Back

-2

Front

What is the negative reciprocal of -3/4?

Back

4/3

Front

What is the negative reciprocal of 5?

Back

-1/5

Front

What is the negative reciprocal of 0?

Back

Undefined (reciprocal of zero is not defined).

Front

What is the negative reciprocal of -2/5?

Back

5/2

Front

If the slope of a line is 3, what is the slope of a line that is perpendicular to it?

Back

-1/3 (the negative reciprocal of 3).

Front

What is the negative reciprocal of 7/8?

Back

-8/7

Front

What is the negative reciprocal of -5/6?

Back

6/5

Front

What is the negative reciprocal of 4?

Back

-1/4