Ask your own question, for FREE!
Mathematics 12 Online
OpenStudy (vshiroky):

@iPwnBunnies can you help/

OpenStudy (vshiroky):

OpenStudy (agent0smith):

Try it first, it's similar to the last few questions.

OpenStudy (ipwnbunnies):

I'm not good at explaining these apparently. I've tried with kids in real life, not pleasant.

OpenStudy (vshiroky):

@agent0smith 4?

OpenStudy (agent0smith):

\[\huge (-64)^{2/3} = \sqrt[3]{-64}^2\]

OpenStudy (vshiroky):

16?

OpenStudy (agent0smith):

Are you sure? What's the cube root of -64?

OpenStudy (vshiroky):

4

OpenStudy (vshiroky):

I'm 99% sure it's 16 @agent0smith

OpenStudy (fibonaccichick666):

This might help with your comprehension: http://www.purplemath.com/modules/radicals6.htm

OpenStudy (agent0smith):

@vshiroky What's the cube root of -64?

OpenStudy (fibonaccichick666):

As well as this: http://www.purplemath.com/modules/exponent5.htm

OpenStudy (anonymous):

@vshiroky what happened to the remaining 1% XD

OpenStudy (agent0smith):

The cube root of 64 is 4. What about the cube root of -64?

OpenStudy (vshiroky):

-4

OpenStudy (agent0smith):

Correct. \[\huge \sqrt[3]{-64}^2 = (-4)^2 = \]

OpenStudy (vshiroky):

16

OpenStudy (agent0smith):

Are you 100% sure?

OpenStudy (vshiroky):

yes

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!