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Contact [7]
3 years ago
9

Find an equation for the perpendicular bisector of the line segment whose endpoints are (−3,4) and (−7,−6).

Mathematics
2 answers:
Arte-miy333 [17]3 years ago
7 0

Answer:

She's right, praise jeebus :3

Step-by-step explanation:

sesenic [268]3 years ago
5 0

Answer:

y=-\frac{2}{5}x-3

Step-by-step explanation:

First, you must find the midpoint of the segment, the formula for which is (\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2}). This gives you (-5,-1) as the midpoint. This is the point at which the segment will be bisected.

Next, since we are finding a perpendicular bisector, we must determine what slope is perpendicular to that of the existing segment. To determine the segment's slope, we use the slope formula \frac{y_{2}-y_{1} }{x_{2}-x_{1}}, which gives us a slope of \frac{5}{2}.

Perpendicular lines have opposite and reciprocal slopes. The opposite reciprocal of \frac{5}{2} is -\frac{2}{5}.

We now know that the perpendicular travels through the point (-5,-1) and has a slope of -\frac{2}{5}.

Solve for b in y=mx+b.

y=mx+b\\-1=-\frac{2}{5}(-5)+b\\-1=2+b\\-3=b\\b=-3

Therefore, the equation of the perpendicular bisector is  y=-\frac{2}{5}x-3.

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