SOLUTION: is -4sqrt16 rational or irrational, my notes say rational terminates or repeats decimals and irrational is non-repeating to the 7th place, but I know that 16 is an integer. Confus

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: is -4sqrt16 rational or irrational, my notes say rational terminates or repeats decimals and irrational is non-repeating to the 7th place, but I know that 16 is an integer. Confus      Log On


   

Question 30614: is -4sqrt16 rational or irrational, my notes say rational terminates or repeats decimals and irrational is non-repeating to the 7th place, but I know that 16 is an integer. Confused, and appreciate your help.
Thanks!
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
-4sqrt%284%29+=+-4%284%29 = -16 or %28-4%29%28-4%29+=+16 In either case,this is an integer therefore it's a rational number.