document.write( "Question 1012382: Points P and Q are between point A and B with P closer to A. If A(-1,2) and B(8,20) find the coordinates of P and Q such that AP:PQ:QB=2:3:4. \n" ); document.write( "
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Points P and Q are between point A and B with P closer to A. If A(-1,2) and B(8,20) find the coordinates of P and Q such that AP:PQ:QB=2:3:4.
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\n" ); document.write( "2+3+4 = 9
\n" ); document.write( "P is 2/9 of the distance from A to B
\n" ); document.write( "Q is (2+3)/9 = 5/9 of the distance from A to B
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\n" ); document.write( "Do x and y separately.
\n" ); document.write( "For x: AB distance = 9
\n" ); document.write( "P = -1 + (2/9)*9 = 1
\n" ); document.write( "Q = -1 + (5/9)*9 = 4
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\n" ); document.write( "For y: AB distance = 18
\n" ); document.write( "P = 2 + (2/9)*18 = 6
\n" ); document.write( "Q = 2 + (5/9)*18 = 12
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\n" ); document.write( "P(1,6)
\n" ); document.write( "Q(4,12)
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