SOLUTION: |3x+2|> 8
Algebra
->
Absolute-value
-> SOLUTION: |3x+2|> 8
Log On
Algebra: Absolute value
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on absolute-value
Question 243036
:
|3x+2|> 8
Answer by
jim_thompson5910(35256)
(
Show Source
):
You can
put this solution on YOUR website!
Start with the given inequality
Break up the absolute value (remember, if you have
, then
or
)
or
Break up the absolute value inequality using the given rule
Now lets focus on the first inequality
Start with the given inequality
Subtract 2 from both sides
Combine like terms on the right side
Divide both sides by 3 to isolate x
Now lets focus on the second inequality
Start with the given inequality
Subtract 2 from both sides
Combine like terms on the right side
Divide both sides by 3 to isolate x
Divide
----------------------------------------------------
Answer:
So our answer is
or
which looks like this in interval notation
if you wanted to graph the solution set on a number line, you would get
Graph of the solution set in blue and the excluded values represented by open circles