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Here are some questions:

Solve The Linear System by Graphing:

1. y = x - 5 and y = 2x + 1
2. y = -3x + 7 and y = 3x + 4
3. x + y = 6 and 2x - 8y = -11
Guest Apr 16, 2012
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 #1
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[input]plot( x-5, 2x+1, x=-10..5 )[/input]
[input]plot(-3x+7, 3x+4, x=0..0.75 )[/input]
[input]plot(6-x, -(-11-2x)/8, x=0..5 )[/input]

[input]solve( y=x-5, y=2x+1 )[/input]
[input]solve( y=-3x+7, y=3x+4 )[/input]
[input]solve( x + y = 6, 2x - 8y = -11 )[/input]
admin  Apr 16, 2012
 #2
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Thank you for your help!!!
Guest Apr 16, 2012

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