will post the question in the attachments

Question

goalieboy · Answer

Can someone please help me with this it is confusing me

empty · Answer

what's your best guess?

goalieboy · Answer

|dw:1446528483475:dw|

ganeshie8 · Answer

Do you know how to find the "distance" between two points on a "number line" ?

|dw:1446529510358:dw|

goalieboy · Answer

No I do not

ganeshie8 · Answer

Take a look at the number line and make a guess. It's easy if you find it on ur own..

ganeshie8 · Answer

whats the distance between the points A and B ?

goalieboy · Answer

10

ganeshie8 · Answer

Perfect!
How did you get 10 ?

goalieboy · Answer

I counted

ganeshie8 · Answer

That's awesome!
There is also a more general way to do it. You simply subtract the coordinates of the points.

Whats the coordinate of A ? 
Whats teh coordinate of B ?

goalieboy · Answer

-7 and 3

ganeshie8 · Answer

Yes, so the distance between A and B is given by the difference : 

-7 - 3 = -10

goalieboy · Answer

ok now how would I do the question that I asked

ganeshie8 · Answer

but distance is always positive, so it should be |-10| = 10

ganeshie8 · Answer

so the general method for finding the distance between two points is  to take the absolute value of the difference between their coordinates

goalieboy · Answer

can you help me with my question now?

ganeshie8 · Answer

sure, do you see anything coomon between your question and the exercise that we have gone through just now ?

goalieboy · Answer

not really that much

ganeshie8 · Answer

That's okay, let me try explaining it quick.

ganeshie8 · Answer

Suppose you want to solve the inequality :  $|t-10| \ge 14$

From our previous exercise, what does $|t-10|$ represent ?

goalieboy · Answer

I have the first line I need help with the second line

ganeshie8 · Answer

I am trying to help. These are not easy if you don't pay attention...

goalieboy · Answer

I am paying attention

ganeshie8 · Answer

Let me repeat my question :

Suppose you want to solve the inequality :  $|t-10| \ge 14$

From our previous exercise, what does $|t-10|$ represent ?

goalieboy · Answer

it is from A to B

ganeshie8 · Answer

$|t-10|$ represents the distance between $t$ and $10$, yes ?

ganeshie8 · Answer

so the expression  $|t-10| \ge 14$ is saying that the distance between $t$ and $10$
 must be at least $14$.

goalieboy · Answer

ok

ganeshie8 · Answer

so where can the point $t$ be on number line ?

goalieboy · Answer

1?

ganeshie8 · Answer

|dw:1446530843047:dw|