A student solved the following inequality incorrectly as shown. Give the correct solution set. -2x < -18
Question:
A student solved the following inequality incorrectly as shown.
Give the correct solution set.
Transcribed Image Text:
-2x < -18 - 2x - 18 풍을 -2 -2 x < 9 Solution set: (-∞, 9)
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The solution set to the inequality 2x 18 is not 9 The error lies in the sign change when dividing ...View the full answer
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Related Book For
Intermediate Algebra
ISBN: 9780134895987
13th Edition
Authors: Margaret Lial, John Hornsby, Terry McGinnis
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