Math Is Fun Forum

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

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?

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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.

Bob

Administrator

Registered: 2010-06-20

Posts: 10,621

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)

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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

soroban

Member

Registered: 2007-03-09

Posts: 452

Re: Help me please!!!!

. .

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Steph123

Guest

Re: Help me please!!!!

O! U r so fast)) Tnx))