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Algebra
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Which of these ordered pairs is a solution to the inequality
2x + y > – 4?
  (–1, –1)   (0, –5)    (4, –12)   (–3, 0)
y – 3x ≤ –8?  (–2, 4)   
    
Mar 4th, 2015

1.  Check each point

2*-1 + -1 = -3  > -4 TRUE.  FIRST CHOICE is the solution.  

All other choices would make the inequality false.

2.  

4 - 3*-2 = 10 </= -8 FALSE

3  - 3*1 = 0 </= -8 FALSE

-5 - 3*-1 = -8 </= -8 TRUE.  THIRD CHOICE Is the solution.

Mar 4th, 2015

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