Expression 5: polygon left parenthesis, 1 plus "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis Has graph.polygon1+x1,y1
5
Expression 6: polygon left parenthesis, negative 1 minus "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis Has graph.polygon−1−x1,y1
6
Expression 7: polygon left parenthesis, negative 1 "t" Subscript, 1 , Baseline minus "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis Has graph.polygon−1t1−x1,y1
7
Expression 8: polygon left parenthesis, 1 "t" Subscript, 1 , Baseline plus "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis Has graph.polygon1t1+x1,y1