Mathematics
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OpenStudy (anonymous):
exponential and logarithmic equations part 2
4 log x-4
8 log x=16
log 4x=2
log3x-log5=1
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OpenStudy (anonymous):
@jim_thompson5910 please help me i need to pass my class in order to graduate :(
jimthompson5910 (jim_thompson5910):
4 log x-4
what do you need to do for this one?
OpenStudy (anonymous):
umm im not sure of which property to use
jimthompson5910 (jim_thompson5910):
are there no instructions for what they want?
OpenStudy (anonymous):
no not for this one
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OpenStudy (anonymous):
i think to get x by itself but have to do it logarithmic form or something like that
jimthompson5910 (jim_thompson5910):
that's the thing, it's missing the equals sign
jimthompson5910 (jim_thompson5910):
so you can't solve for x
OpenStudy (anonymous):
oh well maybe thats on me not writing it correctly wow fail..
OpenStudy (anonymous):
maybe the minus was the equal sign
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jimthompson5910 (jim_thompson5910):
can you double check?
jimthompson5910 (jim_thompson5910):
better yet, can you post a screenshot?
OpenStudy (anonymous):
well i cant i copy them off the board at school
OpenStudy (anonymous):
can u try to help with the others then
jimthompson5910 (jim_thompson5910):
8 log x=16
log x=16/8
log(x) = 2
x = ???
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OpenStudy (anonymous):
is that 16 over 8 u said?
jimthompson5910 (jim_thompson5910):
16/8 is the same as 16 over 8 yes
jimthompson5910 (jim_thompson5910):
if log(x) = 2, then x = ???