Homework Help: Algebra

Posted by Jesse on Monday, November 15, 2010 at 5:30pm.

How would I write
1-2log(7)x as a single logarithm

Choices:
log(7) x^2/7
log(7) 7x^2
log(7) 7/x^2
log (7) x^2

Thank you

Algebra - Reiny, Monday, November 15, 2010 at 6:01pm
1-2log(7)x
= log₇7 - log₇x^2
= log₇(7/x^2)
Algebra - Jesse, Monday, November 15, 2010 at 6:29pm
Thank you

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