1. When adding √9 and -7, which type of number is the sum?

Question

A.irrational
B.whole number***
C.radical
D.integer

I think it is a whole number, but I'm not sure because someone tells me it is radical but the question is √9+(-7) which equals -4 so there for i am pretty sure that the answer is B. Am i right? Thank you.

Answer 1

I think you are correct in saying 3 - 7 = -4 which is a whole number

Answer 2

whole numbers are positive
Try again.

Answer 3

whoops, oobleck is right
https://mathopenref.com/integer.html

Answer 4

so it is radical im confused one person says right one person says no

Answer 5

so an integer

Answer 6

Click on that link. I was careless in my response, sorry.

Answer 7

Yes, integer.

Answer 8

its fine it is clearly an integer Thank you :)

Answer 9

You are welcome.