運算式 16: "x" equals negative 8 left brace, 4 less than "y" less than 8 , right bracex=−84<y<8
16
運算式 17: "x" equals negative 4 left brace, 4 less than "y" less than 8 , right bracex=−44<y<8
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運算式 18: "x" equals 4 left brace, 4 less than "y" less than 8 , right bracex=44<y<8
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運算式 19: "x" equals 8 left brace, 4 less than "y" less than 8 , right bracex=84<y<8
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運算式 20: "y" equals negative .5 "x" positive 15 left brace, 6 less than "x" less than 10 , right bracey=−.5x+156<x<10
20
運算式 21: "y" equals negative .5 "x" positive 5 left brace, negative 14 less than "x" less than negative 10 , right bracey=−.5x+5−14<x<−10
21
運算式 22: "y" equals 12 left brace, negative 14 less than "x" less than 6 , right bracey=12−14<x<6
22
運算式 23: "y" equals 3 fifths "x" plus 20.4 left brace, negative 14 less than "x" less than negative 2 , right bracey=35x+20.4−14<x<−2
23
運算式 24: "y" equals StartFraction, 4.5 Over 4 , EndFraction "x" plus 21.5 left brace, negative 10 less than "x" less than negative 2 , right bracey=4.54x+21.5−10<x<−2
24
運算式 25: "y" equals negative StartFraction, 3.5 Over 4 , EndFraction "x" plus 17.3 left brace, negative 2 less than "x" less than 6 , right bracey=−3.54x+17.3−2<x<6
25
運算式 26: "y" equals negative StartFraction, 4.5 Over 6 , EndFraction "x" positive 17.6 left brace, negative 2 less than "x" less than 10 , right bracey=−4.56x+17.6−2<x<10
26
運算式 27: "y" equals "x" left brace, 4 less than "x" less than 8 , right bracey=x4<x<8
27
運算式 28: "y" equals "x" plus 12 left brace, negative 8 less than "x" less than negative 4 , right bracey=x+12−8<x<−4
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運算式 29: "y" equals negative 1 half "x" plus 5 left brace, 6 less than "x" less than 10 , right bracey=−12x+56<x<10
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運算式 30: "x" plus "y" equals 0 left brace, negative 8 less than "x" less than negative 4 , right bracex+y=0−8<x<−4
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運算式 31: "x" plus "y" equals 12 left brace, 4 less than "x" less than 8 , right bracex+y=124<x<8
