Logarithms 7-4 Quiz

Express as a single logarithm. Simplify if possible.

• A.
• B.

  112.5

• C.

   
• D.

  5

Simplify, if possible.               

Please list the four properties of logarithms discussed in chapter 7-4.

The___________________ property states that, "The logarithm of the _______________ is the logarithm of the dividend minus the logarithm of the divisor."

Write the equation in logarithmic form: 4⁴=256

• A.

  Log256 4=4

• B.

  4log 256=4

• C.

  256log 4=4

• D.

  Log4 256=4

Evaluate the logarithm: 

Which is NOT a property of logarithm?

• A.
• B.
• C.

Most swimmin gpool experts recommend a pH of between 7.0 snf 7.6 for the water in the swimming pool. Use pH= -log[H+], and write an expression for the difference in hydrogen ion concentraation over this pH range. *Hint* use ^ to represent a raised power.           Remember what the common base is.

Simplify if possible:                 

BONUS!                             Simplify 

• A.
• B.
• C.