document.write( "Question 31593: Can I please get some help with this question?\r
\n" );
document.write( "\n" );
document.write( "Interest Rate. A credit manager rates each applicant for a car loan on a scale of 1 through 5 and then determines the interst rate from the accompanying table. Find the equation of the line in slope intercept form that goes through these points.\r
\n" );
document.write( "\n" );
document.write( "Credit Rating 1 2 3 4 5\r
\n" );
document.write( "\n" );
document.write( "Interest 24 20 16 12 8
\n" );
document.write( "Rate% \n" );
document.write( "
Algebra.Com's Answer #18242 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! Credit Rating=R.... 1...... 2...... 3....... 4...... 5 \n" ); document.write( "Interest ....=I.....24..... 20..... 16...... 12..... 8 \n" ); document.write( "CHANGE IN I= 20-24=-4 \n" ); document.write( "CORRESPONDING CHANGE IN R=2-1=1 \n" ); document.write( "RATIO=-4/1=-4 \n" ); document.write( "TEST OTHER POINTS.....(16-20)/(3-2)=(12-16)/(4-3)=(8-12)/(5-4)=-4 \n" ); document.write( "SO THE EQN.IS \n" ); document.write( "I-24=-4(R-1) \n" ); document.write( "I=-4R+28 \n" ); document.write( " |