นิพจน์ 9: "y" equals negative 3 "x" squared plus 14y=−3x2+14
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นิพจน์ 10: "x" equals 1 quarter left parenthesis, "y" minus 6 , right parenthesis squaredx=14y−62
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นิพจน์ 11: "x" equals negative StartFraction, 1 Over 12 , EndFraction left parenthesis, "y" minus 6 , right parenthesis squaredx=−112y−62
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นิพจน์ 12:
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นิพจน์ 13: StartFraction, left parenthesis, "x" minus 3 , right parenthesis squared Over 9 , EndFraction plus StartFraction, left parenthesis, "y" plus 5 , right parenthesis squared Over 36 , EndFraction equals 1x−329+y+5236=1
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นิพจน์ 14: StartFraction, left parenthesis, "x" plus 11 , right parenthesis squared Over 9 , EndFraction plus StartFraction, left parenthesis, "y" minus 3 , right parenthesis squared Over 21 , EndFraction equals 1x+1129+y−3221=1
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นิพจน์ 15: StartFraction, left parenthesis, "x" minus 3 , right parenthesis squared Over 2 , EndFraction plus StartFraction, left parenthesis, "y" plus 5 , right parenthesis squared Over 25 , EndFraction equals 1x−322+y+5225=1