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Mathematics 15 Online
OpenStudy (emmynimmy):

Algebra!!

OpenStudy (emmynimmy):

OpenStudy (3mar):

May I help, Ladies?

OpenStudy (akshvas):

Okay square root of -1 is i (iota)

OpenStudy (emmynimmy):

..yes

OpenStudy (emmynimmy):

okay so what do i put?

OpenStudy (akshvas):

4 + 7i is the answer well

OpenStudy (3mar):

\[\sqrt{16}=??\]

OpenStudy (emmynimmy):

4

OpenStudy (3mar):

Great!

OpenStudy (3mar):

\[\sqrt{-4}=\sqrt{4}*\sqrt{-1}=2*i=2i\] right?

OpenStudy (3mar):

@emmynimmy

OpenStudy (emmynimmy):

what do i put

OpenStudy (3mar):

agree about that?

OpenStudy (emmynimmy):

yes

OpenStudy (3mar):

\[\sqrt{-81}=\sqrt{81}*\sqrt{-1}=9*i=9i\]ok?

OpenStudy (emmynimmy):

okay

OpenStudy (3mar):

YOU Are Awesome!

OpenStudy (3mar):

Add them now 4-4i+9i=???

OpenStudy (emmynimmy):

4+5i

OpenStudy (3mar):

You are GENIUS!

OpenStudy (emmynimmy):

so is that my number with the square root

OpenStudy (emmynimmy):

it says thats not the answer

OpenStudy (3mar):

"so is that my number with the square root"????

OpenStudy (3mar):

How?

OpenStudy (emmynimmy):

it says its not right

OpenStudy (emmynimmy):

it says How do you convert the square root of a negative radicand to an imaginary number? How do you find the square root of a perfect square?

OpenStudy (3mar):

So?

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