simplify -7+6i/9+6i into a+bi form  TOPIC_SOLVED

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simplify -7+6i/9+6i into a+bi form

Postby jennieklopp on Sat Jan 28, 2012 8:50 pm

I am to simplify the following quotient number into a+bi form.

-7+6i/9+6i

What I figured out is that 6i/6i equal 1 so I came up with -7/9+1i since -7/9 cannot be reduced any further. Is this correct?

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Re: simplify -7+6i/9+6i into a+bi form  TOPIC_SOLVED

Postby maggiemagnet on Sun Jan 29, 2012 2:18 pm

jennieklopp wrote:I am to simplify the following quotient number into a+bi form.

-7+6i/9+6i

You can learn how to do this here. (Scroll down to the second half of the page.)

jennieklopp wrote:What I figured out is that 6i/6i equal 1 so I came up with -7/9+1i since -7/9 cannot be reduced any further. Is this correct?

No! For example, 20/10 = (15+5)/(5+5). By your reasoning, since 5/5 = 1 and 15/5 = 3, then 20/10 must equal 4! :shock: :oops:
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