Expression 11: .2 squared equals left parenthesis, "x" minus 1.4 5 , right parenthesis squared plus left parenthesis, "y" minus .6 3 , right parenthesis squared.22=x−1.452+y−.632
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Expression 12: "y" equals .2 3 3 left brace, .8 3 less than "x" less than 1.4 8 7 , right bracey=.233.83<x<1.487
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Expression 13: .2 equals left parenthesis, "x" plus 1.7 , right parenthesis squared plus left parenthesis, "y" plus .6 , right parenthesis squared left brace, negative 1.4 7 7 greater than "x" , right brace.2=x+1.72+y+.62−1.477>x
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Expression 14:
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Expression 15: StartFraction, left parenthesis, "x" minus 1 , right parenthesis squared Over 2 squared , EndFraction plus StartFraction, left parenthesis, "y" plus 1.7 5 , right parenthesis squared Over 1.3 5 squared , EndFraction equals 1 left brace, negative 3 less than "y" , right brace left brace, 1.4 6 greater than "x" , right bracex−1222+y+1.7521.352=1−3<y1.46>x
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Expression 16: left parenthesis, "x" minus .0 5 , right parenthesis squared equals 10.5 left parenthesis, "y" plus 2 , right parenthesis left brace, negative .4 5 less than "x" less than 2.1 7 , right bracex−.052=10.5y+2−.45<x<2.17
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Expression 17: .4 7 5 squared equals left parenthesis, "x" minus 1.2 5 , right parenthesis squared plus left parenthesis, "y" plus 1.9 8 , right parenthesis squared left brace, 1.1 7 8 less than "x" , right brace left brace, negative 1.9 5 greater than "y" , right brace.4752=x−1.252+y+1.9821.178<x−1.95>y
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Expression 18: 1 squared equals left parenthesis, "x" minus .2 5 , right parenthesis squared plus left parenthesis, "y" plus 2 , right parenthesis squared left brace, .2 5 less than "x" , right brace left brace, negative 2.3 7 3 greater than "y" , right brace12=x−.252+y+22.25<x−2.373>y
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Expression 19: 5.2 8 squared equals left parenthesis, "x" plus 7 , right parenthesis squared plus left parenthesis, "y" plus 1 , right parenthesis squared left brace, negative 1.9 5 2 less than "x" , right brace left brace, negative 1.0 3 7 1 greater than "y" , right brace5.282=x+72+y+12−1.952<x−1.0371>y
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Expression 20: "y" equals negative 5.5 left parenthesis, "x" plus 2 , right parenthesis left brace, negative .2 less than "y" less than 2 , right bracey=−5.5x+2−.2<y<2