document.write( "Question 864731: The vertex is (-2,-7) and the y-intercept is-3\n" ); document.write( " \n" ); document.write( "
\n" ); document.write( "Hi\n" ); document.write( "y =a(x+2)^2-7 Using ordered pair(0,3) a = 1\n" ); document.write( "y = (x+2)^2-7\n" ); document.write( "\n" ); document.write( "