Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 6 - Algebra: Equations and Inequalities - Chapter 6 Test - Page 406: 16

Answer

See Below

Work Step by Step

Consider the inequality, this inequality has negative assisted with the variable x, \[\begin{align} & 6-9x\ge 33 \\ & -9x\ge 33-6 \\ & -9x\ge 27 \end{align}\] Multiply both side by \[-1\], it changes the direction of the inequality. Thus, \[\begin{align} & 9x\le -27 \\ & x\le -3 \end{align}\] The value is x is less than or equal to \[-3\]. On number line it states that all the numbers which are ahead of or equal to\[-3\]moving from right to left are the values which satisfy x. Hence, the graph of the simplified form of the inequality on the number line is shown above.
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