Posted by **Breanna** on Friday, July 24, 2009 at 6:19pm.

Is this [-8,infinity) the same as this x < -8 OR x > 1 ? Thank you.

- Algebra -
**MathMate**, Friday, July 24, 2009 at 8:41pm
[-8,infinity)

represents the interval from -8 inclusively [ to infinity exclusively ).

[] are used to mean including the limits.

() or ][ are used to mean excluding the limits.

The above interval is the same as

-8 ≤ x < ∞

- Algebra -
**Breanna**, Saturday, July 25, 2009 at 11:51am
Is this [-8,infinity) the same as this x < -8 OR x > 1 ? Thank you.

Based on what is below is below, is what is above = to the same? Thanks!

[-8,infinity)

represents the interval from -8 inclusively [ to infinity exclusively ).

[] are used to mean including the limits.

() or ][ are used to mean excluding the limits.

The above interval is the same as

-8 x <

- Algebra -
**MathMate**, Saturday, July 25, 2009 at 3:55pm
Your last line is not legible under Western nor unicode encoding. It is however, the correct answer under GB2312 encoding.

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