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Find an equation for the perpendicular bisector of the line segment whose endpoints are (4,−1) and (8,7).

User EzPizza
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1 Answer

3 votes

Answer:
y=-(1)/(2)x+6

Explanation:

The slope of the line segment is
(-1-7)/(4-8)=2.

  • So, the slope of the perpendicular bisector is -1/2.

The midpoint of the line segment is
\left((4+8)/(2), (-1+7)/(2) \right)=(6, 3).

Thus, the equation is:


y-3=-(1)/(2)(x-6)\\\\y-3=-(1)/(2)x+3\\\\y=-(1)/(2)x+6

User Chivorn
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