If the line passing through the points (a, 1) and (−14, 9) is parallel to the line passing through the points (−2, 7) and (a + 2, 1), what is the value of a?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.4: Writing And Graphing Equations Of Lines
Problem 79E
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If the line passing through the points

(a, 1) and (−14, 9)

is parallel to the line passing through the points

(−2, 7) and (a + 2, 1),

what is the value of a?

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