log ( ) Ln ( ) ln ( 2 4 7) ln ( )

Name: ________________________________________
Review Sheet #2
Please re-write the following expression either in log or exponential form:
π‘™π‘œπ‘”3 81 = 4
π‘™π‘œπ‘”4 16 = 2
log 1000 = 3
53 = 125
74 = 2401
22 = 4
Please use properties of logarithms to EXPAND the following expressions:
6 7
π‘™π‘œπ‘”5 (π‘₯ 𝑦 )
Ln (
𝑀𝑦
βˆšπ‘§
)
1
4
π‘™π‘œπ‘”7 (𝑧 𝑀)
log (
ln (π‘Ÿ 2 𝑑 4 𝑀 7 )
ln (
𝑣π‘₯ 4
𝑦2
𝑀𝑧 3
βˆšπ‘š
)
)
Please condense the following expressions:
π‘™π‘œπ‘”7 𝑧 βˆ’ π‘™π‘œπ‘”7 𝑀
4ln x + 3ln y
1/2log z – 2log w
Name: ________________________________________
Please solve the following expressions:
π‘™π‘œπ‘”5 (π‘₯ + 4 + 2) = 4
ln (-20 + z + 40) = 7
Use synthetic or long division to solve the following: (2π‘₯ 3 βˆ’ 8π‘₯ + 3) by (x – 4)
Answer: _________________
Name: ________________________________________
Use synthetic or long division to solve the following: (3π‘₯ 3 βˆ’ 5π‘₯ + 4) by (x – 3)
Answer: _____________
Please sketch the graph of
y = π‘™π‘œπ‘”3 (π‘₯ + 1) βˆ’ 2
Name: ________________________________________
Please sketch the graph of y = π‘™π‘œπ‘”4 (π‘₯ βˆ’ 2) + 2
You take out $50,000 in loans for your college career. The annual interest rate is 4.75% and it is
compounded semiannually. How long will it take for your loans to double (if you aren’t paying
them yet)?
Answer: _________