# Need Help With Some Questions

• Oct 13th 2010, 03:29 PM
AlGhassab
Need Help With Some Questions
Hello , Can anyone help me with those questions and explanations please ;(

First one is : Find the equation of the circle with centre (-2,3) that passes through (1,-1).

Second is : Find which values of x satisfy the following , 1/2-x<2

3. Express the following as either open or closed intervals
{x: |x-4|≤ 6}

4. Express the following intervals in the form { x: | ax + b | < c } or { x: | ax + b | ≤ c }

(-4,-2)
• Oct 13th 2010, 03:37 PM
Plato
Hello and welcome to MathHelpForum.
You should understand that this is not a homework service nor is it a tutorial service.
PLease either post some of your own work on this problem or explain what you do not understand about the question.
• Oct 13th 2010, 03:40 PM
AlGhassab
I want to understand whats written up in the thread , and for your knowledge this is not homework thats for me to understand :)
• Oct 13th 2010, 03:46 PM
Plato
You missed the point completely.
We cannot help if we do not know what you do not understand.
None of us here is a mind reader.
• Oct 13th 2010, 04:11 PM
AlGhassab
i dont understand anything
• Oct 13th 2010, 04:20 PM
Plato
Quote:

Originally Posted by AlGhassab
i dont understand anything

In that case you did not read my first post carefully.
You should understand that this is not a homework service nor is it a tutorial service.
You need to hire a tutor.
• Oct 13th 2010, 04:24 PM
AlGhassab
Seriously then why is the site called mathhelpforum.
• Oct 13th 2010, 05:01 PM
Plato
The word help implies correction to misunderstandings.
You want to be taught this material.
We do not do that.

Moderator edit: MHF stands for Math Help Forum. MHF helps students with specific questions. MHF does not teach course material, that is the job of the student's instructor or a tutor.

There is a reasonable assumption that a student understands something about the material the question relates to and can show some work or say specifically where s/he is stuck with the question. If a student understands nothing, then that student requires more than MHF can provide.