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Mathematics
OpenStudy (anonymous):

M is the midpoint of the line segment joining points P and Q. At which point should M be plotted?

OpenStudy (anonymous):

sam (.sam.):

P(7,4) Q(-3,-4) \[M=(\frac{7+(-3)}{2},\frac{4+(-4)}{2})\]

OpenStudy (anonymous):

that not one of my options :s

sam (.sam.):

Midpoint formula \[M=(\frac{x+x_1}{2},\frac{y+y_1}{2})\] just do this \[M=(\frac{7+(-3)}{2},\frac{4+(-4)}{2})\]

OpenStudy (anonymous):

so 7+3=10/2= 5, 8/2=4 so (5,4)?

OpenStudy (anonymous):

it isn't one of my options

OpenStudy (anonymous):

(0, 1) (-2, 0) (2, 0) (0, -1)

OpenStudy (anonymous):

?

sam (.sam.):

@jlovexx you're doing the math worngly , \[M=(\frac{7+(-3)}{2},\frac{4+(-4)}{2}) \] \[M=(\frac{7-3}{2},\frac{4-4}{2})\] Try again now?

OpenStudy (anonymous):

okay so 7-3=4/2= 2. 4-4=0/2=0 so (2,0)??

sam (.sam.):

yes correct :)

OpenStudy (anonymous):

thank you :D

sam (.sam.):

welcome :)

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