Question

Which of the following inequalities is not true?

A) -2/2 < 3
B) |-1| ≥ 0
C) |-9| ≠ |9|
D) -7 ≤ -5

Answer 1

C) |-9| != |9|

Explanation:

The definition of absolute value is simply the non-negative value of the argument without regards to the sign. With this in mind, let's walk through these options.

A) -2/2 < 3 ==> -1 < 3 which is True

B) |-1| >= 0 ==> 1 >= 0 which is True since 1 is > 0

C) |-9| != |9| ==> 9 != 9 which is False since 9 == 9

D) -7 <= -5 which is True since -7 is < -5

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