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For what values of x the following is true. 1/x^2<=-1 A)1 B)-1 C)2 D)-2 E)None

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christiano-cr7 | (Level 1) Salutatorian

Posted July 3, 2013 at 3:50 AM via web

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For what values of x the following is true.

1/x^2<=-1

A)1

B)-1

C)2

D)-2

E)None

1 Answer | Add Yours

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted July 3, 2013 at 4:22 AM (Answer #1)

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The values of x that satisfy `1/x^2 <= -1` have to be determined.

The square of any number, positive or negative is a positive number. For `x^2 >= 0` , `1/x^2` is also a positive number.

For none of the given values of x is the condition `1/x^2 <= -1` satisfied.

The correct option is E.

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