-1 ≤ 1/2x + 5 ≤ 1
I have to also write it in interval notation and graph it on a number line.
2007-04-16 12:56:46 · 2 answers · asked by Anonymous 1 in Science & Mathematics ➔ Mathematics
I don't understand what I'm supposed to do because of the multiple ≤ signs.
2007-04-16 13:04:55 · update #1
It is less than or equal to, I tried using the character from charmap.
2007-04-16 13:06:36 · update #2
and it may not show up on your browser.
2007-04-16 13:07:18 · update #3
Solve like any inequality: first add -5 to all 3 parts:
-6 < 1/2x < -4
Then divide all 3 parts by 1/2 (or multiply by 2):
-12 < x < -8
Then put open dots on -12 and on -8, and shade in between. That is, unless you had less than or equal to (my screen shows a question mark for the inequality sign), in which case you would fill in the dots.
2007-04-16 13:04:58 · answer #1 · answered by hayharbr 7 · 0⤊ 0⤋
from the right side x<=-8 and from the left side
x>=-12
so -12<=x<=-8
2007-04-16 20:02:25 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋