Mathematics
17 Online
OpenStudy (iwanttogotostanford):
Please help with this question ASAP!!!
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (iwanttogotostanford):
I am writing the equation now
OpenStudy (anonymous):
K I help U
OpenStudy (iwanttogotostanford):
i am supposed to simplify the expression
OpenStudy (anonymous):
ok one sec let me do math quick
OpenStudy (anonymous):
Do you know what the square root of -21 is?.. thats the first step...
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (iwanttogotostanford):
4.58
OpenStudy (anonymous):
4.58257569
Yes you were very close
OpenStudy (iwanttogotostanford):
yes, so now what
OpenStudy (anonymous):
Do the left side of the equasion... 5 - 2*i=?
OpenStudy (iwanttogotostanford):
3i
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
Good!
OpenStudy (anonymous):
1 - 3*i=?
OpenStudy (iwanttogotostanford):
-2i
OpenStudy (anonymous):
Yes!
OpenStudy (iwanttogotostanford):
this is AP Alg. 2 btw
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (iwanttogotostanford):
so now what
OpenStudy (anonymous):
add 3*i + (-2*i)=?
OpenStudy (iwanttogotostanford):
1i
OpenStudy (anonymous):
Good!
OpenStudy (anonymous):
Now devide the square root of -21 by 1*i
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (iwanttogotostanford):
I am not getting the right answer here, this is AP algebra 2.... and none of my answers match what we are getting here
OpenStudy (anonymous):
Hmmmmmm.....
OpenStudy (anonymous):
what are your answers?
OpenStudy (iwanttogotostanford):
ok here are th options
OpenStudy (anonymous):
Ohhhhh lol this is an easy one, its B. I forgot it was AP.
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (iwanttogotostanford):
how'd you get that
OpenStudy (anonymous):
Easy... let me explain
OpenStudy (anonymous):
h\[\sqrt{-21} \sin \times \sqrt[3*i]{=-21} \times 1*i=30*1/61\]
OpenStudy (anonymous):
sorry about the random h there lol
OpenStudy (iwanttogotostanford):
ok, thank you! and you are positive this is right? I am studying for a test that is why i ask
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
100% Sure
OpenStudy (anonymous):
Make sure to close question
OpenStudy (iwanttogotostanford):
thanks