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

Answer 1

[-8,infinity)
is the same as 0≤8<∞
[ and ] include the respectivelimites,
( and ) exclude

Answer 2

erratum:
[-8,infinity)

You can also see
http://www.jiskha.com/display.cgi?id=1248473985
is the same as 0 ≤ -8 &lt ∞

Answer 3

[-8,infinity)
is the same as
-8 ≤ x < ∞

Answer 4

x < -8 OR x > 1
is
(-∞,-8) &cup (1,∞)
So they are not the same.