brybry61 brybry61
  • 26-04-2017
  • Mathematics
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I need to know everything how

I need to know everything how class=

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IntelligenceCallsMe
IntelligenceCallsMe IntelligenceCallsMe
  • 26-04-2017
I'm sorry to say that all of these are incorrect. You had to have changed both equations in each problem to slope-intercept formula (y=mx+b). You were trying to use substitution, but I recommend the elimination method since it's quicker. 1 is x= -5 and y= -8 (-5,-8). 9 is x= -2 and y=9 (-2,9). 11 is x=0 and y=7 (0,7). 
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