Expression 3: "x" squared plus "y" squared equals 10 squared left brace, "y" greater than negative .6 , right brace left brace, "x" less than 9.9 8 , right bracex2+y2=102y>−.6x<9.98
3
Expression 4: "a" equals 1a=1
negative 10−10
1010
4
Expression 5: "x" squared plus "y" squared equals 10 squared left brace, "y" less than negative 1.4 , right brace left brace, "x" greater than negative 9.6 4 , right bracex2+y2=102y<−1.4x>−9.64