Teacher/User Name: DEMO Name:__________________________
Practice Problems
By Easy Worksheet
Period: ________ Date: ____________

 
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All rights reserved. Copyright 1998 Triple Threat Inc.

Solve:

1) Are the two lines parallel, intersecting, or skew?
L1 is defined by:r = (-4 -5t)i + (-2 -t)j + (-1 -5t)k
L2 is defined by:r = (-24 -2s)i + (-6 + s)j + (1 + s)k

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

2) Are the two lines parallel, intersecting, or skew?
x  +  3y  +  5z  +  4
L1 is defined by: 
 =  
  = 
 
4 − 5 − 2
x  +  7y  +  10z  +  5
L2 is defined by: 
 =  
  = 
 
4 − 5 − 2
3) Are the two lines parallel, intersecting, or skew?
L1 is defined by: x = -3 + t, y = -3 + 4t, z = 3 + 3t
L2 is defined by: x = 6 -2s, y = 3 + 2s, z = 21 -3s

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By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

4) Are the two lines parallel, intersecting, or skew?
L1 is defined by: x = 3 + 3t, y = 3 + t, z = -3 + 4t
L2 is defined by: x = 9 + 3s, y = -7 -2s, z = -27 -4s

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