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anonymous
 5 years ago
Determine an equation of the line of intersection of the planes 5x+y+2z+15=0 and 2x+y+2z+8=0.
Answers is equation = (7,20,0)+t(0,2,1)
anonymous
 5 years ago
Determine an equation of the line of intersection of the planes 5x+y+2z+15=0 and 2x+y+2z+8=0. Answers is equation = (7,20,0)+t(0,2,1)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I know how to find the direction vector (0,2,1) but what about the point?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.15x+y+2z+15 = 2x+y+2z+8 5x +y +2z +15 2x y 2z 8  3x + 7 = 0

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1x = 7/3 seems to be the line of intersection if i did it right

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1i dont think I did it right :)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yeah i figured it out

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0First we find the direction vector by crossing the normals of each line

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0then we can find a point that is on both lines by finding a point that satisfies both equation

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0im sure you probably knew all this :P

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0medal still for you pops :D

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1its rattling around up there someplace inbetween the rafters lol

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1nah..... high school went and gone many many years ago
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