How can I solve a complex conjugate problem for my friend in college algebra?

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Homework Help Overview

The discussion revolves around a problem involving complex conjugates in the context of college algebra, specifically focusing on the expression {9 - 11i \over 6i} and the process of simplifying it.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the method of multiplying by the conjugate and express confusion regarding the results obtained. There are questions about the specific goal of the problem and the correct interpretation of the results.

Discussion Status

Some participants have provided feedback on the attempts made, noting discrepancies in the results. There is an ongoing exploration of the correct simplification process, with some guidance offered regarding the interpretation of the problem.

Contextual Notes

Participants are navigating through the complexities of expressing the quotient in standard form, with varying levels of understanding and assumptions about the problem setup.

camilus
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Homework Statement


sun, I don't know why I am stuggling with a simple freakin problem. Its not even for me its for my friend who's in college algebra, but for some reaon I can't get the correct answer.

{9 - 11i \over 6i}

The Attempt at a Solution


I multiplied by the conjugate twice and got -11/6 + 3i/2
 
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camilus said:

Homework Statement


sun, I don't know why I am stuggling with a simple freakin problem. Its not even for me its for my friend who's in college algebra, but for some reaon I can't get the correct answer.

{9 - 11i \over 6i}

The Attempt at a Solution


I multiplied by the conjugate twice and got -11/6 + 3i/2

What is it exactly that your trying to find?
 
find the quotient and express your answer in standard form.
 
camilus said:
{9 - 11i \over 6i}

The Attempt at a Solution


I multiplied by the conjugate twice and got -11/6 + 3i/2

Hi camilus! :smile:

(you mean "I multiplied both top and bottom by the conjugate" :wink:)

-11/6 is right. :smile:

3i/2 isn't. :cry:
 
thanks tim, I got the answer already. its -3i/2.
 

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