Points] SCALCET7 12.5.015. (a) Find symmetric equations for the line that passes through the point
(4,-5,8)
and is parallel to the vector
(:-1,4,-2:)
.
(x+4)/(-1)=(y-5)/(4)=(z+8)/(-2)
(x-4)/(-1)=(y+5)/(4)=(z-8)/(-2)
.
x+4=(y+5)/(4)=(z-8)/(-2)
.
-(x+4)=4(y-5)=-2(z+8)
.
-(x-4)=4(y+5)=-2(z-8)
. (b) Find the points in which the required line in part (a) intersects the coordinate planes. point of intersection with
xy
-plane point of intersection with
yz
-plane point of intersection with
xz
-plane Need Help?
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