Asked by Kara
Find the distance between P(7,-4)and the line with equation x-3y+5=0.Round to the nearest tenth.
Answers
Answered by
MathMate
The perpendicular distance D of a point P(x<sub>0</sub>,y<sub>0</sub>) to the line Ax + By + C = 0 is
D = ( Ax<sub>0</sub> + By<sub>0</sub> + C ) / sqrt(A<sup>2</sup> + B<sup>2</sup>)
In the given problem,
A=1
B=-3
C=5
Plrsdr post your answer if you'd like to have a check.
D = ( Ax<sub>0</sub> + By<sub>0</sub> + C ) / sqrt(A<sup>2</sup> + B<sup>2</sup>)
In the given problem,
A=1
B=-3
C=5
Plrsdr post your answer if you'd like to have a check.
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