Which of the following is a rational number?
square root 15 square root 16, square root 21, square root 22

square root 15
square root 16
square root 21
square root 22

Question

Which of the following is a rational number? 
square root 15 square root 16, square root 21, square root 22

 square root 15
 square root 16
 square root 21
 square root 22

volleyballlover55 · Answer

@johnweldon1993 @Vocaloid

knov · Answer

frst of all what's a rational number ?

volleyballlover55 · Answer

its a number that can be written as a fraction

knov · Answer

what's a root of 16.

knov · Answer

square*

volleyballlover55 · Answer

4

knov · Answer

and see if it can be written as a fraction or not.

volleyballlover55 · Answer

no

vocaloid · Answer

think carefully. there IS a way to write 4 as a fraction

4/___ = 4

fill in the blank

volleyballlover55 · Answer

1?

vocaloid · Answer

good!

4/1 is a fraction form of 4, so 4 is rational

volleyballlover55 · Answer

Part A: Find a rational number that is between 9.5 and 9.7. Explain why it is rational. 

Part B: Find an irrational number that is between 9.5 and 9.7. Explain why it is irrational. Include the decimal approximation of the irrational number to the nearest hundredth.
 @vocaloid