OpenStudy (saifoo.khan):

@satellite & myininya: Tell me the Difference Please: http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e4db7600b8b958804a0deb8 & http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e4db8f00b8b958804a0e342

6 years ago
OpenStudy (saifoo.khan):

Please.

6 years ago
OpenStudy (anonymous):

what abt hahd?

6 years ago
OpenStudy (anonymous):

nice joke though

6 years ago
myininaya (myininaya):

|x| is never negative is the difference

6 years ago
OpenStudy (anonymous):

difference between an absolute value being 24 and an absolute value being -2?

6 years ago
myininaya (myininaya):

|x|=positive is fine we get solutions |x|=negative we get no solutions

6 years ago
OpenStudy (anonymous):

one is possible, and one is not

6 years ago
myininaya (myininaya):

|x|=0 we get one solution

6 years ago
OpenStudy (anonymous):

is that the question?

6 years ago
myininaya (myininaya):

do you get that y=|x| will never intersect a y=negative constant?

6 years ago
OpenStudy (saifoo.khan):

But in the second one, the answers were in -ve.

6 years ago
myininaya (myininaya):

what is ve?

6 years ago
OpenStudy (anonymous):

negative maybe?

6 years ago
OpenStudy (saifoo.khan):

yes, negative.

6 years ago
OpenStudy (anonymous):

saifoo my friend if \[|\text{something}|=p\] then \[p \geq 0\] or there is no solution. the "something" could be positive or negative

6 years ago
myininaya (myininaya):

|x|=-3 \ /y=|x| \ / \ / ----------------x axis --------------y=-3 never intersect |x|=3 y=|x| \ / --------------------y=3 \ / \ / \ / ---------------------------x axis two intersections

6 years ago
OpenStudy (anonymous):

lol

6 years ago
OpenStudy (anonymous):

forget the doggone graph. absolute value of something is positive or zero. it is never negative. what is inside the absolute value sign could be positive or negative, that is the input. but the output is positive

6 years ago
myininaya (myininaya):

|x|=0 has one intersection at x=0 y=|x| \ / \ / \ / -----------------------x axis y=0

6 years ago
OpenStudy (anonymous):

so if i write \[|\text{blah}|=-3\] for example, i can just go fish because there is no way that the absolute value of anything is negativfe

6 years ago
myininaya (myininaya):

no satellite i like art i won't forget it

6 years ago
OpenStudy (anonymous):

art who?

6 years ago
myininaya (myininaya):

you should like me doodles

6 years ago
myininaya (myininaya):

my*

6 years ago
myininaya (myininaya):

i say me sometimes like i'm irish

6 years ago
OpenStudy (anonymous):

oh they are very creative and i like them, but i do not need a graph of anything to tell me that the absolute values of something is non-negative

6 years ago
myininaya (myininaya):

i know you don't need it

6 years ago
myininaya (myininaya):

i don't need it

6 years ago
myininaya (myininaya):

some people might need a visual

6 years ago
OpenStudy (anonymous):

\[ |x|= \left\{\begin{array}{rcc} x & \text{if} & x \geq 0 \\ - x& \text{if} & x < 0 \end{array} \right. \]

6 years ago
myininaya (myininaya):

\[|-3|=-(-3)=3\]

6 years ago
OpenStudy (anonymous):

i like piecewise someone here was trying to peddle a video of themselves solving absolute value equations with the graph. i think it is way more trouble than it is worth

6 years ago
OpenStudy (anonymous):

just use the definition. halas

6 years ago
myininaya (myininaya):

do you answer questions with him alot?

6 years ago
OpenStudy (anonymous):

dunno. why do you ask?

6 years ago
OpenStudy (anonymous):

i have.

6 years ago
OpenStudy (anonymous):

kind of thought he/she might be a teenage girl

6 years ago
myininaya (myininaya):

why a girl?

6 years ago
OpenStudy (anonymous):

that was scary

6 years ago
OpenStudy (anonymous):

this site should come with a disclaimer. caveat emptor.

6 years ago
OpenStudy (anonymous):

oh i know right were mira mesa high school is too!

6 years ago
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