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Mathematics 19 Online
OpenStudy (anonymous):

Solve |x|>4

myininaya (myininaya):

So we have |x|>4. This means when do we have distance from x to 0 being greater than 4?

OpenStudy (anonymous):

{x|-4< x< 4} is this it

myininaya (myininaya):

Well those numbers give you a distance from 0 less than 4.

myininaya (myininaya):

> means greater than

myininaya (myininaya):

not less than

OpenStudy (anonymous):

{x|x< -4 or x> 4} so this

myininaya (myininaya):

Yes the numbers you stated will always give you a distance from 0 being greater than 4.

OpenStudy (anonymous):

so that's the answer

myininaya (myininaya):

Example 1 |5|>4 but here x>4 since x=5 Another example |-5|>4 but there x<-4 since x=-5 Both of your inequalities you wrote include these numbers and infinitely many more that satisfy the inequalities x<-4 or x>4.

OpenStudy (anonymous):

so yes or no

myininaya (myininaya):

Yes or no to what?

OpenStudy (anonymous):

{x|x< -4 or x> 4} is this the right answer that I got

myininaya (myininaya):

I already said yes :p .

OpenStudy (anonymous):

o ya sorry

OpenStudy (anonymous):

thank you

myininaya (myininaya):

Np.

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