When adding square root 25 and -9 which type of number is the sum?
1 answer:
Answer : C integer
When adding square root 25 and -9 which type of number is the sum
square root (25) is a perfect square number
-9 is an integer. Integer is a whole number that is positive or negative or 0. -9 is a negative number so it is an integer
the value of
Now we find the sum of 5 and -9
5 - 9 = -4
-4 is an integer
So the sum is an integer
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I think you mean to say 
. If 
is in the third quadrant, then 
and 
. Recall that
We expect
to be negative, so we take the negative root. We end up with
We also know to expect, so
By definition, we have
and so
We expect
We also know to expect
By definition, we have
and so