Graph y=-3x+1.
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document.write( "Set y=0 to find the x intercept. 0 = -3x+1
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document.write( "-1 = -3x
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document.write( "1/3 = x. That's one point (1/3, 0)
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document.write( "Set x = 0 to find the y intercept. y = -3(0) + 1
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document.write( "y=1. (0,1) is the second point.
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document.write( "Draw the line.
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document.write( "y > -3x+1 is everything above the line, not including the line (draw it with a dotted line.)
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