Expression 13: "x" equals negative 9.8 left brace, negative 11 less than "y" less than 11 , right bracex=−9.8−11<y<11
13
Expression 14: "x" squared plus "y" squared equals 10x2+y2=10
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Expression 15: "x" squared plus "y" squared greater than or equal to 8 left brace, "x" squared plus "y" squared less than or equal to 10 , right bracex2+y2≥8x2+y2≤10
15
Expression 16: "x" squared plus "y" squared equals 110 left brace, negative 100 less than "x" less than 9.6 , right bracex2+y2=110−100<x<9.6
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Expression 17: 2 left parenthesis, "x" minus 9 , right parenthesis Superscript, 10 , Baseline plus "y" Superscript, 10 , Baseline less than or equal to 9980012x−910+y10≤998001
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Expression 18: "x" equals 12.7 left brace, negative 11 less than "y" less than 11 , right bracex=12.7−11<y<11
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Expression 19: "y" equals 11 left brace, negative 12.7 less than "x" less than 12.7 , right bracey=11−12.7<x<12.7
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Expression 20: "x" equals negative 12.7 left brace, negative 11 less than "y" less than 11 , right bracex=−12.7−11<y<11
20
Expression 21: "x" squared plus "y" squared equals 3x2+y2=3
21
Expression 22: "y" equals negative 11 left brace, negative 12.7 less than "x" less than 12.7 , right bracey=−11−12.7<x<12.7
22
Expression 23: 4 "x" Superscript, 10 , Baseline plus 4 "y" to the 10th power equals 9999999999914x10+4y10=999999999991
23
Expression 24:
24
Expression 25: "x" squared plus "y" squared equals 125 left brace, negative 9.8 less than "x" less than 10.4 , right brace left brace, negative 11 less than "y" less than 11 , right bracex2+y2=125−9.8<x<10.4−11<y<11
