anonymous
  • anonymous
Help Please! <3 Tell whether or not the given point is a solution to the system of equations. (4,2) y=0.5+1 y=0.6+0.6
Mathematics
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SOLVED
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chestercat
  • chestercat
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jim_thompson5910
  • jim_thompson5910
x is missing in both equations
anonymous
  • anonymous
Sorry its y=0.5x+1 y=0.6x+0.6
jim_thompson5910
  • jim_thompson5910
y = 0.5x + 1 2 = 0.5*(4) + 1 ... plug in x = 4 and y = 2 now simplify both sides and tell me what you get

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More answers

Jim766
  • Jim766
you can solve this way y = .5x + 1 y = .6x +.6 y = y .5x +1 = .6x + .6 solve for x then sub to find y
anonymous
  • anonymous
|dw:1370893650845:dw|
anonymous
  • anonymous
@jim_thompson5910 i got 1 @Jim766 sorry, that kinda confused me:P
jim_thompson5910
  • jim_thompson5910
y = 0.5x + 1 2 = 0.5*(4) + 1 ... plug in x = 4 and y = 2 2 = 2 + 1 2 = 3 ... this is FALSE, so (4,2) is NOT a solution to the equation y = 0.5x + 1
jim_thompson5910
  • jim_thompson5910
since it's NOT a solution to y = 0.5x + 1, it's NOT a solution to the entire system
anonymous
  • anonymous
The answer is no because Y does not equal 2 when you do the equation, false
jim_thompson5910
  • jim_thompson5910
so this is how you check to see if a point is a solution or not
jim_thompson5910
  • jim_thompson5910
it needs to make both equations true (when you plug in the point)
anonymous
  • anonymous
Thank you everyone! Much appreciated!! @jim_thompson5910 that makes since now:) Thanks! GBU!!
jim_thompson5910
  • jim_thompson5910
you're welcome, glad it's making sense now
anonymous
  • anonymous
Thanks @labooo the picture helped! (:

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