   Chapter 10.CR, Problem 10CR 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

If R has coordinates - 5 ,   2 and S has coordinates 2 ,   y , find y so that the slope of R S ⃡ is - 6 7 .

To determine

To find:

The value of y so that the line RS with vertices R-5, 2 and S2, y has slope m=-67.

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 R-5, 2 and S2, y.

Using the slope formula and choosing x1=-5, x2=2, y1=2, y2=y, and m=-67

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