Question

-3√64 find real roots

Answer 1

\[\sqrt{64}=\sqrt{8^2} =8\]Therefore\[\-3sqrt{64}=-3\sqrt{8^2} =-3(8)\]Can you work it out?

Answer 2

-24 and 24

Answer 3

isn't it .25? a website calculator gave me that answer..

Answer 4

Revised:
\[\sqrt{64} = \pm8\]Therefore\[-3\sqrt{64} =-3( \pm8)\] = -3(8) or -3 (-8)
= -24 or 24
Sorry my mistakes!

Answer 5

its not -3 times the square root of 64 its negative cube root of 64

Answer 6

\[\huge \sqrt[-3]{64}\] like this??

Answer 7

yes, my bad i made it look like -3 times the square root 64 lol

Answer 8

\[-\sqrt[3]{64}= -\sqrt[3]{4^3} = -4\]

Answer 9

Thanks!!!

Answer 10

Welcome, but do you understand?

Answer 11

yes :] i just got confused lol

Answer 12

Hold on... is it \[\huge \sqrt[-3]{64} \quad or \quad -\sqrt[3]{64}\]

Answer 13

first one

Answer 14

how do u make it look like that?

Answer 15

\[\sqrt[-3]{64} = 1/\sqrt[3]{64} = 1/4\]
My bad :(

Answer 16

wait wtf.

Answer 17

ugh now im confused again =[ i thought it was -4 and the website amde a mistake =/

Answer 18

Sorry i misunderstood your question twice..

Answer 19

made*

Answer 20

\[\huge \sqrt[-3]{64}=\sqrt[-3]{2^8} =\left(2\right)^{\frac{8}{-3}}\]

Answer 21

64 cubed is 4.. why did u put it s 2^8?

Answer 22

I screw them up always ! LOL ... now I see it ! :S

Answer 23

lol its kewl, where the flutter is callisto??

Answer 24

\[\huge \sqrt[-3]{64}=\left(4\right)^{\frac{3}{-3}}=4^{-1}=\frac14\]

Answer 25

Thanks bro I get it now!!

Answer 26

Glad to help :)

Answer 27

my English fails me :(

Answer 28

@Callisto You're not British\American ??

Answer 29

Neither of them :(

Answer 30

where do you live?

Answer 31

hey just a quick question can there be a negetive number in the radicand of a cube root?

Answer 32

draw it.. I don't understand it at all !