bell ringer (in math journal) what are the laws of exponents? 1. x m x n = 2. x m = x n 3. (xy) n =...
Post on 29-Dec-2015
227 Views
Preview:
TRANSCRIPT
BELL RINGER (IN MATH JOURNAL)
What are the laws of exponents?1. xmxn =2. xm = xn
3. (xy)n =4. (x)n = (y)5. x –n =6. x0 =7. (x m)n =
LOGARITHMS
Wednesday, April 16, 2014
Exponential
GRAPHS
Logarithmic
INVERSE
NOTES
The inverse of an exponential function is a logarithmic
function.
To convert from an exponential to a log –>
25 = 32 is log2 32 = 5
Calculators only do log10 which is called “common log”
So log is really log base 10.
PROPERTIES OF LOGS-- NOTES
1) logb mn = logb m + logb n
2) logb m = logb m – logb n
n 3) logb mp = p logb m
BELL RINGER (IN MATH JOURNAL)
1.How can you convert from exponential to logarithmic form?
2.What base is the log button on your calculator?
3.What are the properties of logs?
LOGARITHMIC EQUATIONS
Thursday, April 17, 2014
NOTES
To convert from logarithm to an
exponential
log2 32 = 5 → 25 = 32
SOLVING LOG EQUATIONS
1.If possible, get log of the
same bases equal and “drop
the log.”
2.If not, then change to
exponential form and solve.
CHANGE OF BASE
logca =
top related