rajanaellionniewi rajanaellionniewi

16-08-2016
Mathematics

Answered

Select the counterexample that makes this conjecture false:

For any real number x, if x2 ≥1, then x ≥1

Ax=1
Bx=1/4
Cx=2
Dx=-3

Verified Answer :

meerkat18 meerkat18

19-08-2016

To answer this problem, we can directly substitute the following options to the given inequalities and check whether each of them makes the inequalities true or false. In this case, option B is only the option which makes the inequalities false since 1/16 is not greater than or equal to 1 and 1/4 is not greater than or equal to 1

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