What is the square root of 64?

Answer 1

8

Answer 2

Go 16 units of distance in any direction. Turn 90 degrees clockwise and go 16 units of distance in a straight line. Turn 90 degrees clockwise and go 16 units of distance in a straight line. Turn 90 degrees clockwise and go 16 units of distance in a straight line.

You will have travelled along a square route whose total distance is 64 units. Alternatively you could have turned counter clockwise each time.

Answer 3

Such that the square root of 64 is equal to 8, sqrt(-64) is equal to 8 i, the letter i representing the square root of minus 1.

Answer 4

The square roots of 64 are -8 and 8.

Answer 5

The square roots of 64 are ±8.

Answer 6

They are -8 and +8.