Expression 2: "y" equals negative StartFraction, 0.7 3 Over StartRoot, 1 minus 0.7 3 squared , EndRoot , EndFraction "x" left brace, negative 0.7 3 less than "y" less than 0 , right bracey=−0.731−0.732x−0.73<y<0
2
Expression 3: "y" equals StartFraction, 0.7 3 Over StartRoot, 1 minus 0.7 3 squared , EndRoot , EndFraction "x" left brace, negative 0.7 3 less than "y" less than 0 , right bracey=0.731−0.732x−0.73<y<0
3
Expression 4: "x" squared equals 1 minus 0.7 3 squared left brace, negative 0.7 3 less than or equal to "y" less than 0 , right bracex2=1−0.732−0.73≤y<0