document.write( "Question 942509: The slope of line b is 1/3. The slope of a line perpendicular to line b is __________.
\n" ); document.write( " Option A: 3
\n" ); document.write( " Option B: 1/3
\n" ); document.write( " Option C: -1/3
\n" ); document.write( " Option D: –3 \n" ); document.write( "

Algebra.Com's Answer #574565 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "The slope of line b is $\"1%2F3\"$ . The slope of a line $\"perpendicular\"$ to line b is negative reciprocal of $\"1%2F3\"$ :\r
\n" ); document.write( "\n" ); document.write( " $\"-1%2F%281%2F3%29=-3%2F1=-3\"$ \r
\n" ); document.write( "\n" ); document.write( "Option D: $\"-3\"$ \n" ); document.write( "

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