Write log2(8)=3 in exponential form.
23=8
Simplify log4(8) + log4(2) using logarithmic properties.
log4(16)
What is the base for a common logarithm?
10
What is the base for a natural logarithm?
e
Find the value of x that makes the equation true.
log3(2x + 1) = log3(x + 7)
x = 6
Write 43 = 64 in logarithmic form.
log4(64) = 3
State the property that is used:
log5(30) - log5(3) = log5(10)
Quotient Property of Logarithms
Evaluate the following common logarithm:
log(1000)
3
How do we represent the natural logarithm?
ln(___)
Solve:
log4(x) = 3/2
x = 8
Write the following common logarithm in exponential form:
log(6) = y
10y = 6
Expand log9( (2/7)3 ) COMPLETELY using logarithmic properties.
3log9(2) - 3log9(7)
Write log5(22) in terms of common logarithms.
( log(22) ) / ( log(5) )
Evaluate the following natural logarithm:
ln(e4)
Solve:
log(x2 + x) = log(6)
x = -3
x = 2
Write ln(1) = 0 in exponential form
e0 = 1
Expand log6( (4x)2 / 11 ) COMPLETELY using logarithmic properties.
2log6(4) + 2log6(x) - log6(11)
Evaluate:
log( 1/100 )
-2
Find the value of x that makes the equation true:
ln( 2x + 3 ) = ln( -3x + 8 )
x = 1
Solve:
2ln( x + 1 ) < 8
x < e4 - 1
Write e3 ≈ 20.09 in logarithmic form.
ln(20.09) ≈ 3
Condense 2log8(x) - log8(y + 1) + 3log8(z) into one logarithm.
log8( (x2z3) / (y + 1) )
Combine 2log7(3) + log7(4) into one logarithm, THEN write it in terms of common logarithms.
( log(36) ) / ( log(7) )
Condense 3ln(16) - 4ln(8) into one logarithm and evaluate COMPLETELY using logarithmic properties.
0
Solve:
72n < 524n + 3
n > ( 3log(52) ) / ( 2log(7) - 4log(52) )