Question #307581

Determine the point of intersecting of the 2 lines



⟨x,y,z⟩=⟨4,2,4⟩+⟨2,2,1⟩t and


⟨x,y,z⟩=⟨-5,2,-8 ⟩+⟨ 20,8,20⟩s


( Blank 1. Calculate the answer by read surrounding text.


, Blank 2. Calculate the answer by read surrounding text.


, Blank 3. Calculate the answer by read surrounding text.


)


1
Expert's answer
2022-03-14T14:58:36-0400

4+2t=5+20s4+2t=-5+20s ......(i)

2+2t=2+8s.....(ii)2+2t=2+8s.....(ii)


(i)(ii)(i)-(ii)


2=7+12s2=-7+12s

s=34s=\frac{3}{4}


From (i)(i)

2t=9+20(34)2t=-9+20(\frac{3}{4})

t=3t=3


Point of intersection


4+2(3)=102+2(3)=84+3=74+2(3)=10\\ 2+2(3)=8\\4+3=7


(10,8,7)(10,8,7)






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