Question

Square root 64 Y Squared

Answer 1

is this \[\sqrt{64y^2}\]or\[\sqrt{64y}^2\]or\[\sqrt{64}y^2\]?

Answer 2

yes the first one

Answer 3

sqrt(64y^2) is the answer

Answer 4

\[\sqrt{64y^2}=\sqrt{64}\times\sqrt{y^2}\]

Answer 5

what's the square root of 64?

Answer 6

8

Answer 7

what's the square root of y^2?

Answer 8

wouldn't it just be y?

Answer 9

it would be y for all y>0, or -y for all y<0

Answer 10

in other words, |y|

Answer 11

ohhh I see! Thanks

Answer 12

you're welcome