document.write( "Question 919974: The 3 points (0,5), (1,3), (4,21) lie on a parabola and an inverse parabola. Find the two equations.\r
\n" ); document.write( "\n" ); document.write( "I tired substituting in the points then using simultaneous equations to solve but it didn't work...
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Algebra.Com's Answer #558099 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
Fombitz beat me to it. I always like to show graphs, and
\n" ); document.write( "the tutors that just show the algebra and no graphs usually
\n" ); document.write( "beat me to it because I have to do the algebra first and
\n" ); document.write( "then do the graphs. Anyway here's the graph:\r
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\n" ); document.write( "\n" ); document.write( "Edwin
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