Understanding Rational Numbers and Their Reciprocals

What is the reciprocal of 6/7?

• 1/6

• 6/7

• 7/6

• 7/5

If the reciprocal of a number is 5/4, what is the original number?

• 4/5

• 5/4

• 1/5

• 4/3

What happens to the sign of a rational number when finding its reciprocal?

• It remains the same

• It becomes zero

• It becomes negative

• It becomes positive

Why does zero not have a reciprocal?

• Because zero divided by any number is zero

• Because any number divided by zero is undefined

• Because zero is not a rational number

• Because zero is always positive

Which statement is true about the reciprocal of 1?

• The reciprocal of 1 is -1

• The reciprocal of 1 is undefined

• The reciprocal of 1 is 1

• The reciprocal of 1 is 0