Question

Which of the following vis a rational number? (A) 5/0 (b) -5/0 (c) 2/-5 (d) -4/9

Answer 1

A number is called a rational number if it can be written in the form p/q where p and q are integers and q≠0

(A) 5/0

solution: It is not rational.

(b) -5/0

solution: It is not rational.

(c) 2/-5

solution: It is rational.

(d) -4/9

solution: It is rational.