College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 2 - Section 2.3 - Lines - 2.3 Assess Your Understanding - Page 178: 21


slope = 0 Refer to the graph below.

Work Step by Step

RECALL: The slope m of a line can be found using the formula $m=\dfrac{y_2−y_1}{x_2−x_1}$ where $(x_1, y_1)$ and $(x_2, y_2)$ are points on the line. (i) Using the two given points on the line, solving for m gives: $m=\dfrac{−1−(−1)}{−3−2}=\dfrac{0}{−5}=0 $ (ii) Plot the points on the same coordinate plane , then connect them using a straight line to complete the graph. (refer to the attached image in the answer part above for the graph)
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