document.write( "Question 1107262: A parabola contains the pints 0,0 1,2 and -1,6 What is the equation in standard form
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #722272 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Start with the general form of a parabola, \"y=ax%5E2%2Bbx%2Bc\"
\n" ); document.write( "(0,0):\"0=a%280%29%5E2%2Bb%280%29%2Bc\"
\n" ); document.write( "1.\"c=0\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "(1,2):\"2=a%281%29%5E2%2Bb%281%29\"
\n" ); document.write( "2.\"a%2Bb=2\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "(-1,6): \"6=a%28-1%29%5E2%2Bb%28-1%29\"
\n" ); document.write( "3.\"a-b=6\"
\n" ); document.write( "Add 2 and 3,
\n" ); document.write( "\"a%2Bb%2Ba-b=2%2B6\"
\n" ); document.write( "\"2a=78\"
\n" ); document.write( "\"a=4\"
\n" ); document.write( "Now use the equations to solve for b.\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );