i need help!!!

[kylee]

ok so if you have a problem like this......
\x\<4 what would you do? would you do?
ok so i did this:
x<4 or -4>x
so that is the answer to the problem right? so then you have to graph your inequality...




<--- -10---------- -8------------ -6------------ -4--------- -2-----0-------2-----------4--------------6---------------8------------10-------->
so you would highlight the four on to the left and then you would highlight the 4 to the right

 

[soroban]

Hello, kylee!

\(\displaystyle |x| \,< \,4\)

It translates to this: .\(\displaystyle -4 \:<\:x\:<\:4\)
. . That is, \(\displaystyle x\) is between -4 and +4.


You graph it by darkening the appropriate portion of the number line.

. . \(\displaystyle - - o = = = = = o - - -\)
. . . . \(\displaystyle -4 \qquad\qquad\; 4\)

We use "holes" at -4 and 4 to indicate that they are not included.



If the endpoint are included, for example, \(\displaystyle -2 \:\leq x \:\leq \:3\)

. . \(\displaystyle - - \bullet = = = = = \bullet - - -\)
. . . . \(\displaystyle -2\qquad\qquad\; 3\)

we use a "solid dot" to indicate inclusion.

 

[kylee]

thanx
sorry thanx ALOT!!!!!