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InTriangle PQR,the vertices are,P(-6,2),Q(-2,8) andR(4,-4).theMidpointsOfSides PQ,PR are connected by a segment,what the slope of segment be?
1 Answer
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- ?Lv 73 months ago
A = Midpoint of PQ
Ax = (-6 + -2) / 2 = -4
Ay = (2 + 8) / 2 = 5
A = (-4, 5)
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B = Midpoint of PR
Bx = (-6 + 4) / 2 = -1
By = (2 + -4) / 2 = -1
B = (-1, -1)
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m = Slope AB
m = rise/run
m = (y₂ - y₁) / (x₂ - x₁)
m = (-1 - 5) / (-1 - -4)
m = -6/3
m = -2 <––––––
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