Mathematics
Which of the following are negative rational numbers?
(i)
(ii)
(iii) -21
(iv)
(v) 17
Rational Numbers
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Answer
(i)
⇒ The numerator is negative and the denominator is positive (opposite signs).
Hence, it is a negative rational number.
(ii)
⇒ Both are negative, so the signs cancel out (), making it positive.
Hence, it is not a negative rational number.
(iii) -21
⇒ It can be written as . The signs are opposite.
Hence, it is a negative rational number.
(iv)
⇒ The value is 0, which is neutral (neither positive nor negative).
Hence, it is not a negative rational number.
(v) 17
⇒ It is a positive integer (can be written as ).
Hence, it is not a negative rational number.
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