document.write( "Question 344195: find the equation of a line the points are (1,4) and (3,10) write the equation of a line that is parellel to the previous line and through the origin graph the two equations \n" ); document.write( "
Algebra.Com's Answer #246539 by Fombitz(32388)\"\" \"About 
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Find the slope.
\n" ); document.write( "\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29=%2810-4%29%2F%283-1%29=6%2F2=3\"
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\n" ); document.write( "\"y=3x%2Bb\"
\n" ); document.write( "Use either point to find \"b\"
\n" ); document.write( "\"4=3%281%29%2Bb\"
\n" ); document.write( "\"b=1\"
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\n" ); document.write( "A parallel line has an identical slope.
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\n" ); document.write( "\"y=3x%2Bb\"
\n" ); document.write( "Use the origin (0,0) to solve for \"b\".
\n" ); document.write( "\"0=3%280%29%2Bb\"
\n" ); document.write( "\"b=0\"
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