   Chapter 10.2, Problem 11E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

Find the slopes of the lines containing:a) 2 ,   - 3 and 4 ,   5 b) 3 ,   - 2 and 3 ,   7 c) 1 ,   - 1 and 2 ,   - 2 d) - 2.7 ,   5 and - 1.3 ,   5 e) a ,   b and c ,   d f) a ,   0 and 0 ,   b

To determine

(a)

To find:

The slopes of the line containing 2, -3 and 4, 5.

Explanation

The slope of the line that contains the points x1,y1 and x2,y2 is given by

m=y2-y1x2-x1 for x2x1

The given points are 2, -3 and 4, 5

To determine

(b)

To find:

The slopes of the line containing 3, -2 and 3, 7.

To determine

(c)

To find:

The slopes of the line containing 1, -1 and 2, -2.

To determine

(d)

To find:

The slopes of the line containing -2.7, 5 and -1.3, 5.

To determine

(e)

To find:

The slopes of the line containing a, b and c, d.

To determine

(f)

To find:

The slopes of the line containing a, 0 and 0, b.

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