Answer
$0$; the line is horizontal
Work Step by Step
Simply apply the points to the slope formula and then simplify. Since the answer is zero, the line is horizontal.
$(4,-1)$ and $(3,-1)$
$\frac{y_2-y_1}{x_2-x_1}$
$\frac{-1+1}{3-4}$
$0$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Functions and Graphs - Exercise Set 2.3 - Page 255: 6
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