document.write( "Question 254660: What changes do you have to do to make a parabola open to the left? \n" ); document.write( "
Algebra.Com's Answer #186988 by drk(1908)\"\" \"About 
You can put this solution on YOUR website!
The standard parabola has equation
\n" ); document.write( "\"y+=+aX%5E2+%2B+bX+%2B+c\"
\n" ); document.write( "This formula give a parabola that opens up / down.
\n" ); document.write( "To open left or right, switch the x and y and then rewrite as
\n" ); document.write( "\"x+=+ay%5E2+%2B+by+%2B+c\"
\n" ); document.write( "
\n" );