document.write( "Question 935649: ABC is a straight line AC:BC=8:5 A(-2,1) B(12,9) find the co ordinate of B \n" ); document.write( "

Algebra.Com's Answer #568921 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
I think you mean C.
\n" ); document.write( "Look at the change in x.
\n" ); document.write( " $\"DELTA%2AX=12-%28-2%29=14\"$
\n" ); document.write( " $\"DELTA%2AY=9-1=8\"$
\n" ); document.write( "Multiply by $\"5%2F8\"$ and add to B to get C.
\n" ); document.write( " $\"X%5Bc%5D=12%2BdX=12%2B14%285%2F8%29=83%2F4\"$
\n" ); document.write( " $\"Y%5Bc%5D=dY=9%2B8%285%2F8%29=14\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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