The equation of the line is 12(x + 6) = 5(y – 2).
12x + 72 = 5y – 10
12x – 5y + 82 = 0 … (1)
Now, compare equation (1) with general equation of line Ax + By + C = 0, where A = 12, B = –5, and C = 82
Perpendicular distance (d) of a line Ax + By + C = 0 from a point (x1, y1) is given by
The given point is \( (x_1,y_1) \)=(-1,1)
Thus, the distance of point (-1,1) from the given line is,
\( d= \dfrac{|12\times (-1)+(-5)\times 1+82|}{\sqrt{12^2+(-5)^2}} \)
= \( d= \dfrac{|12-5+82|}{\sqrt{144+25}} \)
= \( d= \dfrac{|65|}{\sqrt{169}} \)
= \( d= \dfrac{65}{13} \) = 5 units
The distance is 5units.
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