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Mathematics 9 Online
OpenStudy (anonymous):

a) Find the slope of the line through points A (-3,3) and B (3, -1) b) Find the midpoint of segment AB ill post the pic

OpenStudy (ranga):

Slope of line through two points, (x1,y1) and (x2, y2) is: (y2-y1)/(x2-x1)

OpenStudy (ranga):

Midpoint of segment joining (x1,y1) and (x2, y2) is: ( (x1+x2)/2, (y1+y2)/2 )

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