Expression 6: StartFraction, left parenthesis, "x" minus 1 , right parenthesis squared Over 7 , EndFraction plus StartFraction, left parenthesis, "y" plus 1.9 , right parenthesis squared Over 5 , EndFraction equals 1 left brace, 0 less than "x" less than 2.3 , right brace left brace, "y" less than negative 3 , right bracex−127+y+1.925=10<x<2.3y<−3
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Expression 7: StartFraction, left parenthesis, "x" minus 1.8 , right parenthesis squared Over 7.3 , EndFraction plus StartFraction, left parenthesis, "y" minus 2.6 , right parenthesis squared Over 3.5 , EndFraction less than 1x−1.827.3+y−2.623.5<1
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Expression 8: StartFraction, left parenthesis, "x" plus 2.6 , right parenthesis squared Over 5 , EndFraction plus StartFraction, left parenthesis, "y" plus .4 , right parenthesis squared Over 10 , EndFraction equals 1 left brace, negative 2.8 7 greater than "x" , right bracex+2.625+y+.4210=1−2.87>x
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Expression 9: StartFraction, left parenthesis, "x" minus .1 , right parenthesis squared Over 9 , EndFraction plus StartFraction, left parenthesis, "y" minus 8.5 3 , right parenthesis squared Over 1 , EndFraction equals 1x−.129+y−8.5321=1
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Expression 10: StartFraction, left parenthesis, "x" minus .1 , right parenthesis squared Over 4 , EndFraction plus StartFraction, left parenthesis, "y" minus 8.6 , right parenthesis squared Over .2 , EndFraction equals 1x−.124+y−8.62.2=1
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Expression 11: StartFraction, left parenthesis, "x" minus .4 , right parenthesis squared Over 12 , EndFraction plus StartFraction, left parenthesis, "y" plus .5 , right parenthesis squared Over 100 , EndFraction equals 1 left brace, negative 3.6 less than "y" less than 1.3 , right brace left brace, "x" greater than 2 , right bracex−.4212+y+.52100=1−3.6<y<1.3x>2
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Expression 12: StartFraction, left parenthesis, "x" minus .9 , right parenthesis squared Over 16 , EndFraction plus StartFraction, left parenthesis, "y" minus 3.3 , right parenthesis squared Over 40 , EndFraction equals 1 left brace, negative 2.9 7 6 less than "x" less than 3.8 6 1 , right brace left brace, "y" less than 4 , right bracex−.9216+y−3.3240=1−2.976<x<3.861y<4