AonZ
  • AonZ
Represent the solution sets on the number line for |x+3|>1 and |2x+5| < 3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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AonZ
  • AonZ
@whpalmer4
AonZ
  • AonZ
|dw:1362125049826:dw|
AonZ
  • AonZ
|dw:1362125068647:dw|

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AonZ
  • AonZ
ok now idk how to graph it
amorfide
  • amorfide
to graph it take each side to be y= you have |x+3|>1 draw line y=x+3 then you know that because of the | | signs, your line is reflected so you only have a graph above the x axes. now draw the line y=1 then you want the region which y=|x+3| is greater than y=1
whpalmer4
  • whpalmer4
No, we're supposed to show the result on the number line, no y involved here
anonymous
  • anonymous
|dw:1362125192026:dw|
amorfide
  • amorfide
he said graph it I instantly thought of the actual graph my bad
anonymous
  • anonymous
|dw:1362125277366:dw|
whpalmer4
  • whpalmer4
Ooh, @stebie that's not correct. Try out x = -2 in the original inequality, does it satisfy it?
whpalmer4
  • whpalmer4
I just find the endpoints of the segments, then test a point to see whether the area between two endpoints, or between an endpoint and infinity is part of the solution set. I almost always use x=0 as a test point because the arithmetic is usually pretty trivial
AonZ
  • AonZ
but this has 4 pair of answers
whpalmer4
  • whpalmer4
@AonZ do you feel comfortable with this material now?
AonZ
  • AonZ
umm not with this question still
whpalmer4
  • whpalmer4
isn't this two questions?
AonZ
  • AonZ
no these 2 question should be solved together i think
whpalmer4
  • whpalmer4
it does say "solution sets"
whpalmer4
  • whpalmer4
Well, if you think they are combined, plot all of the endpoints (solutions to the equalities), then try test points in each segment, plus between the endpoints and infinity. If the test point satisfies both inequalities, then that portion of the number line should be shaded.
AonZ
  • AonZ
ok thanks

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