document.write( "Question 514774: can you help me with this problem, \"which value of r gives the line passing through (3,2) and (r,-4) a slope a 3/2.\" \n" ); document.write( "

Algebra.Com's Answer #343571 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use the point-slope formula
\n" ); document.write( " $\"+%28+2+-%28-4%29+%29+%2F+%28+3+-+r+%29+=+3%2F2+\"$
\n" ); document.write( " $\"+6+%2F+%28+3+-+r+%29+=+3%2F2+\"$
\n" ); document.write( "Multiply both sides by $\"+2%2A%28+3+-+r%29+\"$
\n" ); document.write( " $\"+12+=+3%2A%28+3+-+r+%29+\"$
\n" ); document.write( " $\"+12+=+9+-+3r+\"$
\n" ); document.write( " $\"+3+=+-3r+\"$
\n" ); document.write( " $\"+r+=+-1+\"$
\n" ); document.write( "check answer:
\n" ); document.write( " $\"+%28+2+-%28-4%29%29+%2F+%28+3+-+r+%29+=+3%2F2+\"$
\n" ); document.write( " $\"+6+%2F+%28+3+-%28-1%29+%29+=+3%2F2+\"$
\n" ); document.write( " $\"+6%2F4+=+3%2F2+\"$
\n" ); document.write( " $\"+3%2F2+=+3%2F2+\"$
\n" ); document.write( "OK \n" ); document.write( "

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