Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 174: 24

Answer

y≥2.5
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Work Step by Step

Find the solution by isolating the variable, y, on one side of the inequality. y−1≥1.5⟶ add 1 to each side y−1+1≥1.5+1⟶ add y≥2.5 Check the endpoint. 2.5−1=?1.5 1.5=1.5✓ Check the inequality. 3−1≥?1.5 2≥1.5✓ Since 2.5 is included in the solution set, the endpoint of the graph will be a solid circle.
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