Expression 1: "x" squared plus left parenthesis, StartFraction, 3 "y" Over 2 , EndFraction minus StartRoot, StartAbsoluteValue, "x" , EndAbsoluteValue , EndRoot , right parenthesis squared equals 2 minus StartFraction, 1 Over 2 Superscript, "a" , Baseline , EndFraction Has graph. To audio trace, press ALT+T.x2+3y2−x2=2−12a