Asked by blue

An estimate for -√66 is
A.-6
B.-7
C.-8
D.-9
Is the answer D?
Answered by blue
How did you get that answer?
Answered by Ms. Sue
What is 8^2?

Answered by blue
64?
Answered by blue
-64?
Answered by Ms. Sue
Yes, of course.
Answered by Ms. Sue
-8^2 = 64
Answered by blue
OK so than it would be-8 answer c. thank you
Answered by Ms. Sue
You are welcome.