MYTUTOR SUBJECT ANSWERS

1084 views

Using logarithms solve 8^(2x+1) = 24 (to 3dp)

Using the laws of logs you can see that if you log both sides of the equation you get: 

(2x+1)*log(8) = log(24) 

Dividing both sides of the equation by log(8) you get: 

2x+1 = log(24)/log(8)

Then it is a simple case of solving for x: 

x = 0.5*(((log(24)/log(8))-1)

x = 0.264

Graham R. A Level Maths tutor, GCSE Maths tutor, A Level Physics tuto...

1 year ago

Answered by Graham, an A Level Maths tutor with MyTutor


Still stuck? Get one-to-one help from a personally interviewed subject specialist

425 SUBJECT SPECIALISTS

£20 /hr

Scott E.

Degree: Computer Science (Bachelors) - Warwick University

Subjects offered:Maths, Physics+ 1 more

Maths
Physics
Computing

“Maths and Computer Science lover. With a patient, thorough and friendly teaching style.”

PremiumGeorge B. GCSE Maths tutor, A Level Maths tutor, A Level Further Math...
£26 /hr

George B.

Degree: Mathematics (Masters) - Warwick University

Subjects offered:Maths, Further Mathematics + 1 more

Maths
Further Mathematics
.STEP.

“Premium tutor. First class graduate with teaching experience from a top Russell Group university. I deliver fun and relaxed lessons which achieve results!”

£20 /hr

Vlad B.

Degree: Mathematics (Masters) - Bath University

Subjects offered:Maths, Further Mathematics

Maths
Further Mathematics

“Hi! I am studying Mathematics at Bath University and I am passionate about teaching, and learning mathematics.”

MyTutor guarantee

|  1 completed tutorial

About the author

Graham R. A Level Maths tutor, GCSE Maths tutor, A Level Physics tuto...

Graham R.

Currently unavailable: for new students

Degree: Geophysics with Geology (Bachelors) - Durham University

Subjects offered:Maths, Physics+ 1 more

Maths
Physics
Geography

“About Me I am a 3rd year Geophysics and Geology student at Durham University. Ever since I was small Maths seemed to click with me and I always found it easy to explain. These skills came in use when I was asked to be an academic ment...”

You may also like...

Posts by Graham

Using logarithms solve 8^(2x+1) = 24 (to 3dp)

y = x*(x-2)^-1/2. Prove dy\dx = (x-4)/2*(x-2)^3/2

Other A Level Maths questions

Why does ln(x) differentiate to 1/x ?

Form the differential equation representing the family of curves x = my , where, m is arbitrary constant.

Find the integral I of e^(2x)*cos*(x), with respect to x

How do you find the gradient of a line at a certain point when f(x) is in the form of a fraction, where both the numerator and denominator are functions of x?

View A Level Maths tutors

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok