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#1 2011-06-30 23:52:23

Steph123
Guest

Help me please!!!!

I have a big problem with my math( Can anybody help me? Pleassse..
I need solve the inequality
(x-14)(x+5)/(x-18) < 0

#2 2011-07-01 00:17:49

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Help me please!!!!

Hi Steph123;

Did you find the zeroes of both the numerator and the denominator?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#3 2011-07-01 00:27:54

Bob
Administrator
Registered: 2010-06-20
Posts: 10,626

Re: Help me please!!!!

hi steph123

I find it helps to sketch a graph:

See

http://www.mathsisfun.com/data/function-grapher.php?

or post back for more help.

Bob

Last edited by Bob (2011-07-01 00:46:08)


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#4 2011-07-01 01:39:26

soroban
Member
Registered: 2007-03-09
Posts: 452

Re: Help me please!!!!

. .



.

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#5 2011-07-01 02:05:29

Steph123
Guest

Re: Help me please!!!!

O! U r so fast)) Tnx))

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