Asked by Bren

When adding the square root of 9 and –7, which type of number is the sum?
A. irrational
B. whole number
C. radical
D. integer *****

ami correct?
Answered by oobleck
none of the above
√9 + √-7 = 3 + √7 i
that is a complex number

I suspect a typo
Answered by oobleck
ah. it occurs to me you meant √9 + -7 = -4
which is indeed an integer.
Answered by Bren
that's what it is on the test so im so confused now :(
Answered by Bren
thank you :)
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