What is the distance between these two points on a number line?
–131 and –87
A.
218
B.
44
C.
–44
D.
–218
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OpenStudy (anonymous):
please help someone
OpenStudy (anonymous):
what is their difference?
OpenStudy (anonymous):
i think its D.
OpenStudy (anonymous):
@Auxuris
geerky42 (geerky42):
You must mean A. Distance is never negative.
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OpenStudy (anonymous):
okay thank you @geerky42
geerky42 (geerky42):
It's not A though.
OpenStudy (anonymous):
or D.
geerky42 (geerky42):
To find difference (distance), you just find the difference of –131 and –87
\(-131 -(-87)\)
geerky42 (geerky42):
After you get your answer, remove negative sign if it is there.
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OpenStudy (anonymous):
Subtract these two numbers normally. You're trying to figure out the distance between the two points and -218 just adds the two numbers together. Once you find their difference, keep the sign of the largest number.
OpenStudy (anonymous):
The difference would be 141-87, which would give you..?