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ricardorendon100
19.11.2020 •
Mathematics
Determine the equation of the perpendicular bisector JK whose endpoints are J(-4,9) and K(6,1). Show all your work below. (Use of the grid is optional.)
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Ответ:
Step-by-step explanation:
Coordinates of segment with endpoints J and K are,
J(-4, 9) and K(6, 1)
Midpoint of the segment JK =![(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})](/tpl/images/0912/1119/9b3e5.png)
=![(\frac{-4+6}{2},\frac{9+1}{2})](/tpl/images/0912/1119/db5b7.png)
= (1, 5)
Slope of JK,![(m_1)=\frac{y_2-y_1}{x_2-x_1}](/tpl/images/0912/1119/a2d8f.png)
=![\frac{9-1}{-4-6}](/tpl/images/0912/1119/ce4fe.png)
=![-\frac{4}{5}](/tpl/images/0912/1119/3e4ce.png)
Let the equation of perpendicular bisector passing through
and slope
is,
By the property of perpendicular lines,
Therefore, equation of the line passing through midpoint (1, 5) and slope =
will be,
Ответ:
1:3