Mathematics: Find the distance from p to l. line l contains points (-4,2) and (3,-5). point p has coordinates (1,2). a. 55√5 , or appx 2.2 b. 67√7 , or appx 2.3 c. 52√2 , or appx 3.5 d. 103√3 , or appx 5.8

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Find the distance from p to l. line l contains

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camballard3848

11.03.2022

Mathematics

To Find: Distance between point P to line l

Solution: Points lying on line l are suppose A (-4,2) and B (3,-5).

Equation of line passing through (p,q) and (a,b) is given by the equation

→ $\frac{y-a}{x-b}=\frac{p-a}{q-b}$

Equation of line AB is ,

→ $\frac{y-2}{x+4}=\frac{-5-2}{3+4}$

→y -2 = -1× (x +4)

→y -2 = -x -4

→x + y +4-2=0

→ x + y +2=0

Distance between point P (1,2) and line l whose equation is ,x+y+2=0 is given by= $\frac{1+2+2}{\sqrt{2}}=\frac{5}{\sqrt{2}}$ =5√2/2=3.535(approx)→Option (C)

→Which is given by the formula ,i.e if a line has equation , Ax + By +c=0 and we have to find the distance from (p,q) is given by = $\frac{A p+ B q+ c}{\sqrt{A^{2}+B^{2}}}$

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Find the distance from p to l. line l contains points (-4,2) and (3,-5). point p has coordinates (1,2). a. 55√5 , or appx 2.2 b. 67√7 , or appx 2.3 c. 52√2 , or appx 3.5 d. 103√3 , or appx 5.8

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