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Mathematics 20 Online
OpenStudy (anonymous):

On a number line, the distance from zero to -9 is 9 units. Which equation demonstrates this concept? A. 0 + 9 = 9 B. |-9| = -9 C. |-9| = 9 D. 92 = 81

OpenStudy (anonymous):

b

OpenStudy (anonymous):

lol

OpenStudy (saifoo.khan):

B isn't right.

OpenStudy (saifoo.khan):

C is.

OpenStudy (anonymous):

Explain

OpenStudy (anonymous):

lol oh yeah i meant c

OpenStudy (anonymous):

yeah my bad

OpenStudy (saifoo.khan):

Firstly distance is never in negative. Secondly, anything is mod is always +ve.

OpenStudy (anonymous):

So how did you get the A?

OpenStudy (saifoo.khan):

A is not the answer. C is.

OpenStudy (anonymous):

Haha how did you get the A-nswer

OpenStudy (anonymous):

C option

OpenStudy (anonymous):

how'd you get the answer?

OpenStudy (saifoo.khan):

\[\Huge |-9| = 9\]

OpenStudy (saifoo.khan):

i told you the conditions for that answe.r

OpenStudy (anonymous):

like when you look at -9 its exactly 9 units away from the origin same as positive 9 it wouldnt be -9 like saif said

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