document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=534859>Question 534859</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given the eqation y=4x-6 write the equation of a line that has been shifted down 3 units.<BR>\n" );
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document.write( "Look at what happens at the y-intercept (when x is 0):<P><BR>\n" );
document.write( "y = 4*0-6 = -6.  How do we shift that point down 3 units?  In other words, how do we make y = -9 when x=0?<P>\r<BR>\n" );
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document.write( "-9 = 4*0-6+c where c is a constant.  --->  -3 = c ---> so we subtract 3 from the constant in this equation.<P><BR>\n" );
document.write( "y = 4x - 6 - 3 = 4x -9<P><BR>\n" );
document.write( "The equation of the line shifted down 3 units is y=4x -9. </SPAN>\n" );
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