document.write( "Question 392668: a ine passes through (3,4)and(4,7)
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Algebra.Com's Answer #278702 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi
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document.write( "Using the point-slope formula, \"m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29\"
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document.write( "(3,4)and
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document.write( "(4,7)    m = 4-7 /3-4  = -3/-1 = 3
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document.write( "m = 3
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document.write( " the standard slope-intercept form for an equation of a line y = mx + b  
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document.write( "where m is the slope and b the y-intercept.  
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document.write( "y = 3x + b   |using ordered pair Pt(3,4) to solve for b
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document.write( "4 = 3*3 + b
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document.write( "-5 = b
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document.write( "y = 3x - 5
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document.write( "Standard form
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document.write( " 3x-y = 5 \n" );
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