Conversions of Logs and Exponents
Log28=3
23 = 8
log 4 + log 3
log ( 4*3)
log 12
log 7 1/49 = X
7x = 1/49
x = -2
Finish the sentence Exponents are the _________ operations of Logs
Inverse or Opposite
Log464=3
43= 64
log 10 - log 4
log 10/log 4
or
log (10/4)
log 4 256 = X
4x = 256
x=4
Exponents are graphed linear.
True or False
False
Log11121=2
112=121
log 82
2 log 8
log 3 9 = X
3x = 9
x = 2
Without solving how do we plot Log points, what happens?
What happens is the x's become the y's and y's become the x's
Log61/36 =-2
6-2= 1/62 = 1/36
log(2/5)
log 2 - log 5
What is it called if you have to figure out what X is in a Log?
Is it Solving Logs or Converting logs
Solving Logs
xy= z
log x z = y
log 5 2 - log 3
2 log 5 - log 3
2 log 5 / log 3
How many properties do we use for Log and list them?
3 properties
- log a + log b = log ab
- log a - log b = log a/log b
- b log a = log ab