document.write( "Question 72150: Graph a line that passes through (4, -2) and is perpendicular to a line whose slope is -3. \n" ); document.write( "
Algebra.Com's Answer #51557 by checkley75(3666)\"\" \"About 
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a line that is perpendicular to a line with a slope of -3 has a slope of 1/3
\n" ); document.write( "(the negative reciprical of the other slope.
\n" ); document.write( "thus the equation of this line through (4,-2) is:
\n" ); document.write( "-2=4/3+b
\n" ); document.write( "b=-2-4/3
\n" ); document.write( "b=-10/3
\n" ); document.write( "thus the equation is
\n" ); document.write( "y=x/3-10/3
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+x%2F3+-10%2F3%29+\" (graph 300x200 pixels, x from -6 to 5, y from -10 to 10,
\n" ); document.write( "y = x/3 -10/3).
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