Purchase Solution

Radicals

Not what you're looking for?

Ask Custom Question

Solve and check the following equation; Explain/demonstrate how you derived your answer.

Note: the radical sign extends over the expression 3x + 2.

â??3x+2 - 2â??x = 0

Answer the following questions;

Define a radical.

What happens to a solution if the radicand is negative?
Why do simplified radicals produce two solutions?

Purchase this Solution

Solution Summary

The expert notes radical signs extends over expressions.

Solution Preview

Ok, so you have the following equation:
Let's rewrite it in the following form:

Now we square both sides of the equation. Note please you have to make sure that both sides are positive (this will be checked later, you'll see).

or

Now we subtract 3x from both sides and get:

or
.
So we conclude that x=2. However we need to ...

Purchase this Solution


Free BrainMass Quizzes
Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Graphs and Functions

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

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.

Solving quadratic inequalities

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

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.