SOLUTION: Solve the inequalities using the definition of absolute value. Graph the solution set on a number line and write it in interval notation |a+9| >= 6

SOLUTION: Solve the inequalities using the definition of absolute value. Graph the solution set on a number line and write it in interval notation |a+9| >= 6

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Question 1164503: Solve the inequalities using the definition of absolute value. Graph the solution set on a
number line and write it in interval notation
|a+9| >= 6
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
this is a+9>=6 or a >= -3
it is also a+9<=-6 or a<=-15
Those can be plotted
0 should work at it does
-5 should not work and it doesn't.
-13 should not work and it doesn't
-20 should work and it does.
(-oo, -15] U [-3, oo)
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