SOLUTION: Sec 8.1 #18
Title Solutions of compound inequalities,
Determine whether -4 satisfies each compound inequality
-3x > 0 and 3x-4 < 11
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Question 134327: Sec 8.1 #18
Title Solutions of compound inequalities,
Determine whether -4 satisfies each compound inequality
-3x > 0 and 3x-4 < 11
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the first inequality
Plug in
Multiply
Since this inequality is true, works for the first inequality.
---------------
Start with the first inequality
Plug in
Multiply
Subtract
Since this inequality is true, works for the second inequality.
----------------------
Conclusion:
Since satisfies both inequalities, this means that is in the solution interval.
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