michael62 michael62
  • 15-01-2017
  • Mathematics
contestada

is the point (-3,5) contained in the solution set of x+2y>7. show your work.

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koalarules6
koalarules6 koalarules6
  • 15-01-2017
the answer is yes because  you substitute -3 with x , 5 with y . so (-3+2(5)= 2 times 5 =10 . so -3+10 =7. 
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boremkeli boremkeli
  • 15-01-2017
So, we must put the points (-3,5) into the solution x+2y>7

X is -3 and Y is 5 so we just put them in place... 
-3+2(5)>7
-3-10=7 
So I mean no, technically... it would be x+2y=7 
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