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Mathematics 14 Online
OpenStudy (anonymous):

how do i graph l x l > 4

OpenStudy (zzr0ck3r):

do you know how to graph |x|?

OpenStudy (zzr0ck3r):

do you know how to graph y = 4

OpenStudy (anonymous):

i have to graph it on a number line

OpenStudy (zzr0ck3r):

for what values of x is |x| greater than 4?

OpenStudy (anonymous):

all the values to the right of the number line

OpenStudy (zzr0ck3r):

is |-4| greater than 4? is |-4.01| greater than 4? is |4| greater than 4? is | 4.01| greater than 4?

OpenStudy (anonymous):

what? um -4 isn't greater than 4. neither is -4.01. 4 is equal to 4 and 4.01 is greater than 4

OpenStudy (anonymous):

im confused

OpenStudy (zzr0ck3r):

we are not talkinag about -4.1 we are talkinag about |-4.1| which is equal to 4.1

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so l x l > 4 is equal to 4 and -4 ??

OpenStudy (zzr0ck3r):

so all x values lower than 4 and all x values greater than 4 make this true |x|>4

OpenStudy (zzr0ck3r):

note that |-4.000001|>4 |-4.5| > 4 |-23|>4 |4.00000001| > 4 |34434343|>4 but |-4| = |4| is not > 4

OpenStudy (anonymous):

i am very confused

OpenStudy (zzr0ck3r):

do you know what absolute value means?

OpenStudy (anonymous):

|dw:1346824365590:dw|

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