Expression 8: StartRoot, left parenthesis, "x" minus "x" Subscript, 2 , Baseline , right parenthesis Superscript, 2 , Baseline plus left parenthesis, "y" minus "y" Subscript, 2 , Baseline , right parenthesis squared , EndRoot greater than StartRoot, left parenthesis, "x" minus "x" Subscript, 3 , Baseline , right parenthesis Superscript, 2 , Baseline plus left parenthesis, "y" minus "y" Subscript, 3 , Baseline , right parenthesis squared , EndRoot positive StartRoot, left parenthesis, "x" minus "x" Subscript, 1 , Baseline , right parenthesis Superscript, 2 , Baseline plus left parenthesis, "y" minus "y" Subscript, 1 , Baseline , right parenthesis squared , EndRoot Has graph.x−x22+y−y22>x−x32+y−y32+x−x12+y−y12
8
Expression 9: StartRoot, left parenthesis, "x" minus "x" Subscript, 3 , Baseline , right parenthesis Superscript, 2 , Baseline plus left parenthesis, "y" minus "y" Subscript, 3 , Baseline , right parenthesis squared , EndRoot greater than StartRoot, left parenthesis, "x" minus "x" Subscript, 1 , Baseline , right parenthesis Superscript, 2 , Baseline plus left parenthesis, "y" minus "y" Subscript, 1 , Baseline , right parenthesis squared , EndRoot positive StartRoot, left parenthesis, "x" minus "x" Subscript, 2 , Baseline , right parenthesis Superscript, 2 , Baseline plus left parenthesis, "y" minus "y" Subscript, 2 , Baseline , right parenthesis squared , EndRoot Has graph.x−x32+y−y32>x−x12+y−y12+x−x22+y−y22