document.write( "Question 537900: Can you tell me how to represent A linear function ? \n" ); document.write( "
Algebra.Com's Answer #353057 by fcabanski(1391)\"\" \"About 
You can put this solution on YOUR website!
y=mx+b is the slope-intercept form of a function. If you are given the slope and y-intercept, use that.


\n" ); document.write( "If you're given the slope and one point, call it (a,b) then you could use the point-slope form.


\n" ); document.write( "y-b=m(x-a)


\n" ); document.write( "For example if you're told a line has a slope of 4 and a point on the line is (0,3) then the equation is


\n" ); document.write( "y-3=4(x-0)


\n" ); document.write( "y-3=4x


\n" ); document.write( "y = 4x + 3\r
\n" ); document.write( "\n" ); document.write( "

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