Expression 5: StartFraction, "x" squared Over "a" squared , EndFraction minus StartFraction, "y" squared Over "b" squared , EndFraction equals 1 Has graph. To audio trace, press ALT+T.x2a2−y2b2=1
5
`t` = ${t} left parenthesis, StartFraction, "a" left parenthesis, 1 plus "t" squared , right parenthesis Over 1 minus "t" squared , EndFraction , StartFraction, 2 "b" "t" Over 1 minus "t" squared , EndFraction , right parenthesis equals left parenthesis, negative 2.0 4 0 4 0 4 0 4 0 4 , negative 0.2 0 2 0 2 0 2 0 2 0 2 , right parenthesis Has graph. To audio trace, press ALT+T.a1+t21−t2,2bt1−t2