5. Inequalities Involving Absolute Value
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Rewrite this inequality as a compound inequality.
Solution Set: {x | - 24
This compound inequality means that the distance between x and - 8 is greater than - 16 and less than 16. x+8 > - 16 and x+8< 16 Let's isolate x in both of these cases before graphing the solution set.
The solution to this type of compound inequality is the overlap of the solution sets. Let's recombine our cases back into one compound inequality. First Solution Set:& x < 8 Second Solution Set:& - 24< x Intersecting Solution Set:& - 24< x< 8
The graph of this inequality includes all values from - 24 to 8, not inclusive. We show this by using open circles on the endpoints.