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anonymous
 5 years ago
blue line is Y=x/2 1 and green line is Y=2x+1 where do the lines cross ?
anonymous
 5 years ago
blue line is Y=x/2 1 and green line is Y=2x+1 where do the lines cross ?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Y = Y x/2 1 = 2x+1 2xx/2=11 3x/2 = 2 3x = 4 x = 4/3

mathteacher1729
 5 years ago
Best ResponseYou've already chosen the best response.0The lines cross where the two equations are equal: \[\frac{x}{2}1=2x+1\] Can you solve that equation? Also, have you tried graphing these lines with geogebra or your calculator?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0put that x = 4/3 in any equation to get y comp.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Let. blue line=red line Y=Y x/21=2x+1 x/2=2x+2 x=4x+4 x4x=4 3x=4 x=4/3\ Answer=4/3

mathteacher1729
 5 years ago
Best ResponseYou've already chosen the best response.0Here is the graph.

mathteacher1729
 5 years ago
Best ResponseYou've already chosen the best response.0You can create that graph by going to http://www.wolframalpha.com and typing in "plot y = x/2 1 and y = 2x+1" (without the quotes).

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thanks for the help !
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