#logarithmic equation

18 messages · Page 1 of 1 (latest)

maiden orchidBOT
upper glacier
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How do I solve this logarithmic equation. It has different subscripts.

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The 7 and the 2.

dusty needle
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Do you know the change base formula for log

upper glacier
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You mean this?

upper glacier
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Should it be like (x+2)(x-1) =
But what should the other side be since the subscripts are different?

dusty needle
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Are you allowed to use calculators on this question

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I'm working on it and realizing that the change base formula is hitting a wall

upper glacier
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I'm going to say yes because on some question on the hw it said use calculator to solve___
I know the answer to this is 1.87 but I want to know how to get there

upper glacier
dusty needle
upper glacier
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sorry 1.37 sorry about that. It was another problem

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You can only find the solution by graphing it

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?

dusty needle
upper glacier
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Ok thank you I got it now! 🙂

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.solved