Expression 3: StartFraction, left parenthesis, "x" minus 6 , right parenthesis squared Over 1 , EndFraction plus StartFraction, left parenthesis, "y" minus 11 , right parenthesis squared Over 4 , EndFraction equals 1x−621+y−1124=1
3
Expression 4: StartFraction, left parenthesis, "x" minus 6 , right parenthesis squared Over .5 , EndFraction plus StartFraction, left parenthesis, "y" minus 11 , right parenthesis squared Over 2 , EndFraction equals 1x−62.5+y−1122=1
4
Expression 5: StartFraction, left parenthesis, "x" plus .5 , right parenthesis squared Over .5 , EndFraction plus StartFraction, left parenthesis, "y" minus 11 , right parenthesis squared Over 2 , EndFraction equals 1x+.52.5+y−1122=1