189k views
0 votes
What’s the square root of negitive 64

2 Answers

3 votes

The square root of -64 is -8.

How?

-8 x 8 = -64.

wait thats wrong there

its 8i


User Seanghay
by
7.9k points
3 votes

Answer:

± 8i

Explanation:

note that
√(-1) = i

using the rule of radicals


√(a) ×
√(b)
√(ab), hence


√(-64)

= ±
√(64(-1))

= ±
√(64) ×
√(-1) = ± 8i


User Kirill Boyarshinov
by
8.4k points

Related questions

1 answer
3 votes
193k views
asked Apr 9, 2024 18.6k views
Allen Hamilton asked Apr 9, 2024
by Allen Hamilton
7.6k points
1 answer
2 votes
18.6k views
asked Oct 17, 2024 152k views
Don Rhummy asked Oct 17, 2024
by Don Rhummy
8.3k points
1 answer
0 votes
152k views