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Mathematics 7 Online
OpenStudy (anonymous):

Absolute value help and explanation?

OpenStudy (anonymous):

OpenStudy (anonymous):

So absolute value makes everything inside it positive.

OpenStudy (anonymous):

So -6 + 8 is what?

OpenStudy (anonymous):

it's 2

OpenStudy (anonymous):

Absolute value doesn't do anything to that since it's already positive

OpenStudy (anonymous):

then you multiply by -3 and get -6

OpenStudy (michele_laino):

hint: \[\Large \left| { - 2} \right| = 2\]

OpenStudy (michele_laino):

and: \[\Large \left| 2 \right| = 2\]

OpenStudy (anonymous):

arent you supposed to count how far it is from 0 on the numberline or something ?

OpenStudy (anonymous):

It's how they teach you but in reality just make the number inside the absolute value positive!

OpenStudy (anonymous):

so then the final answer wouldn't be positive 6 ?

OpenStudy (michele_laino):

hint: what is: -3*2=...?

OpenStudy (anonymous):

-6.

OpenStudy (michele_laino):

that is your answer

OpenStudy (anonymous):

Yay! Good job!

OpenStudy (michele_laino):

thanks! @alisyed5865

OpenStudy (michele_laino):

thanks! @alisyed5865

OpenStudy (anonymous):

Okay so that is a little confusing. Say I was doing it how it is taught. Would they tell me to count from 0 for -3 ? In that case the places from 0 would be 3 so because it is going left on the number line is it just automatic that we use the negative symbol ? So if your value was 4 left from zero it'd have an absolute value of -4 and if it went right 4 places from zero it would have an absolute value of 4. Is that what they are trying to teach?

OpenStudy (anonymous):

Okay so just do this whenever you see absolute value just remove the sign. Done.

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