   Chapter 10.CR, Problem 38CR ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
1 views

# For the line that contains the points P 1 - 1 ,   2 ,   4 and P 2 3 ,   4 ,   7 , finda) a direction vector.b) an equation for the line.

To determine

(a)

To find:

The direction vector for the line containing the points P1-1, 2, 4 and P23, 4, 7.

Explanation

The direction vector for the line through the points P1x1, y1, z1 and P2x2, y2, z2 is given by x2-x1, y2-y1, z2-z1.

Here x1, y1, z1=P1-1, 2, 4

To determine

(b)

To find:

The equation for the line containing the points P1-1, 2, 4 and P23, 4, 7

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