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Jack
10-10-2013, 12:08 PM
If x^2-5<12 , then which of the following could not be the value of x?


(A) -4

(B) 6

(C) -5

(D) 3


Thanks

miranda
10-10-2013, 12:09 PM
First we transform the inequality as x^2<17 and then plug-in the values of (A)-(D) to find a choice which doesn’t satisfy the inequality.
Therefore the correct answer is (D).

Jack
10-10-2013, 12:09 PM
thank you!!