Purchase Solution

Solving Equations using Logarithms

Not what you're looking for?

Ask Custom Question

1. 2^2x - 5 x 2^x + 4 = 0. Answer given: 0,2

2. 2 x 2^2x - 11 x 2^x + 5 = 0. Answer given: -1, 2.32

3. 2 x 3^2x - 5 x 3^x = 4. Answer given: 1.04

Purchase this Solution

Solution Summary

Equations are solved using logarithms. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

Solution Preview

Please see the attached file for the complete solution.
Thanks for using BrainMass.

Exercises from text book

1. 2^2x - 5 x 2^x ...

Purchase this Solution


Free BrainMass Quizzes
Probability Quiz

Some questions on probability

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.