# Algebra2

Expand the logarithmic expression.

log8 a/2

1. 👍 0
2. 👎 0
3. 👁 887
1. but log8 2 = 1/3

so
log8 (a/2)
= log8 a - 1/3

1. 👍 0
2. 👎 0
posted by Reiny
1. C
2. D
3. A
4. A
5. D
6. B
7. A
And for the WorkPad questions, use the app called photomath

1. 👍 4
2. 👎 0
posted by Lola

## Similar Questions

1. ### College Algebra

I REALLY don't understand the reason/basis/use of logarithms. I have listened to my teacher, who never is clear on much of anything (it would help if he spoke better English), and a more advanced student, who couldn't explain them

asked by Mary on October 21, 2010
2. ### Algebra 1

solve: log8(w-6)=2-log8(w+15) note: the 8 is to be little at the bottom right corner of log

asked by Britt on November 19, 2012
3. ### Test prep

solve: log8(w-6)=2-log8(w+15) note: the 8 is to be little at the bottom right corner of log

asked by Britt on November 19, 2012
4. ### Algebra

How do I start to solve -2log8(x+1) = -8? I think -2log8(x+1) is log8^(x+1)to the 2nd but then what do I do because then I think I should do log-8/log8 = x+1)^2 but that doesn't work at all Thank you for any help you can give

asked by Anna on December 13, 2010
5. ### Algebra 2

Solve the equation : 8^2x-1 = 16^x+1 i know you have to log both sides log8^2x-1 = log16^x+1 and then you use the exponential rule 2x-1 log8 = x+1 log16 but then i don't know what to do...

asked by Brooke on February 22, 2015
6. ### Pre Calculus

Assume that x, y, and b are positive numbers. Use the properties of logarithms to write the expression logb ^8xy in terms of the logarithms of x and y. a. logb^8 + logb x + logb^y b. logb^8+logbx c. logb^8+logby d. logb^8 + log8 x

asked by Jessica Maths on July 6, 2016
7. ### Algebra-Reiny please explain this

Hi Reiny, I posted this problem earlier and you responded but I don't get the reasoning- The problem was -2log8(x+1) = -8 you said multiply by -2 and then you put log8(x+1)=4(wasn't that dividing by -2) log8(x+1)^2 = 8 (how did

asked by Anna on December 13, 2010
8. ### algebra

This is a problem about logarithms: I'm completely confused as to what to do here: The logarithmic form of 84 = 4,096 is log8 4,096 = 4 Write the logarithmic form of x5 = the value of this quantity Explain the steps of conversion.

asked by Vilma on June 26, 2012
9. ### math

Determine the value of each of the following logarithmic expressions. Do not change bases. A) log8 4

asked by mark on March 19, 2012