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Jack
10-10-2013, 12:14 PM
Which of the following is equivalent to the statement |a+4|>5?


(A) a>1

(B) -9<a<1

(C) a>1 \ or\ a<-9

(D) a>9

Thanks

miranda
10-10-2013, 12:17 PM
This absolute value inequality can be solved as follows

|a+4|>5

a+4>5 \ or\ a+4<-5

a>1 \ or\ a<-9

Therefore the correct answer is (C).

Jack
10-10-2013, 12:18 PM
Thanks you very much!