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Mathematics 20 Online
OpenStudy (anonymous):

Given A (-6,4) and M(-1, -1) find B.

OpenStudy (anonymous):

what do u mean by find B is it slope or midpt or what?

OpenStudy (amistre64):

ill assume you are going for the other end from the midpoint. +5 +5 <.....-6..........-1..........(4)....> a mp b <......4..........-1..........(-6)....> -5 -5

OpenStudy (anonymous):

\[(-6+1/2,4+1/2) =(-5/2,5/2)\]

OpenStudy (anonymous):

that's not one of the answer choices though.

OpenStudy (anonymous):

r u looking for the mid.point?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

let me check again

OpenStudy (anonymous):

ok =)

OpenStudy (anonymous):

\[( x _{1}+x _{2}/2, y _{1}+y _{2}/2)\]

OpenStudy (anonymous):

this is the formula

OpenStudy (amistre64):

the midpoint is already defined as M(-1,-1)

OpenStudy (amistre64):

A(-6,4) is one end; M(-1,-1) is the middle; and they want yo to find B(x,y)

OpenStudy (anonymous):

oh ok i thought something else sry

OpenStudy (amistre64):

im assuming that information was given in the original material that the problem came from tho :)

OpenStudy (anonymous):

oh no you're fine =) thank you guys

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