To solve: the inequality, and to sketch the graph of the solution.
Answer to Problem 18E
The required solution of the above compound inequality is
Explanation of Solution
Given information:
Given inequality
Calculation:
Note that a compound inequality can be solved by performing the same operation on each of the expression.
Recall that the inequality remains unchanged if same operations with same numbers are performed on both sides on the inequality. If multiplication or division with negative numbers is involved, then the sign of the inequality is reversed.
Subtract 9 from each expression.
Divide each expression with 3.
Thus, the required solution of the above compound inequality is
The graph of the solution is shown below:
Chapter 2 Solutions
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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