運算式 12: "y" equals negative "x" plus 8 left brace, 0 less than "x" less than 2 , right bracey=−x+80<x<2
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運算式 13: "y" equals 6 left brace, 2 less than "x" less than 8 , right bracey=62<x<8
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運算式 14: "y" equals "x" minus 2 left brace, 8 less than "x" less than 10 , right bracey=x−28<x<10
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運算式 15: "x" equals 5 left brace, 8.2 less than "y" less than 14.5 , right bracex=58.2<y<14.5
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運算式 16: "y" equals "x" plus 9.5 left brace, 9 less than "y" less than 14.5 , right bracey=x+9.59<y<14.5
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運算式 17: "y" equals 9.1 left brace, negative .5 less than "x" less than 5 , right bracey=9.1−.5<x<5
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運算式 18: left parenthesis, "x" minus 7 , right parenthesis squared plus left parenthesis, "y" minus 12 , right parenthesis squared equals .8 8x−72+y−122=.88
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運算式 19: "x" equals 7 left brace, 8 less than "y" less than 11 , right bracex=78<y<11
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運算式 20: "y" equals negative left parenthesis, "x" minus 7 , right parenthesis squared plus 10.5 left brace, 9 less than "y" less than 10.6 , right bracey=−x−72+10.59<y<10.6
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運算式 21: StartFraction, "x" squared Over .5 squared , EndFraction minus StartFraction, "y" squared Over 212 , EndFraction equals 1 left brace, negative 2 less than "y" less than .8 8 , right bracex2.52−y2212=1−2<y<.88
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運算式 22: "y" less than or equal to negative 10y≤−10
