document.write( "Question 541366: (-4,3), (r,-3) slope= 2/3. What is r? \n" ); document.write( "

Algebra.Com's Answer #354168 by Edwin McCravy(20064) $\"\"$ $\"About$

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document.write( "(-4,3), (r,-3) slope= 2/3. What is r?\r\n" );
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document.write( "Slope formula\r\n" );
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document.write( " = \r\n" );
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document.write( " = \r\n" );
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document.write( " = \r\n" );
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document.write( " = \r\n" );
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document.write( "Cross-multiply:\r\n" );
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document.write( "2(r+4) = -18\r\n" );
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document.write( "2r + 8 = -18\r\n" );
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document.write( "    2r = -26\r\n" );
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document.write( "     r = -13\r\n" );
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