89.3k views
5 votes
Which of the following is a rational number? square root of 15, square root of 16, square root of 17, square root of 18

1 Answer

1 vote

Answer:

16 is a rational number 16/1.

Explanation:

If you take the square root of 15 it will be 3.8.. but doesnt repeat, square root of 16 is 4 (perfect square) , square root of 17 is 4.123... doesnt repeat or stop, and the square root of 18 is 4.242.. but doesnt repeat or stop. A rational number can be expressed as a ratio or a fraction. 16 can be expressed as a fraction the other numbers keep going meaning never stop.

User Jinna Baalu
by
7.1k points