Expression 13: "x" equals negative 1.5 left brace, negative 1.5 greater than or equal to "y" greater than or equal to negative 2 , right bracex=−1.5−1.5≥y≥−2
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Expression 14: "y" equals "x" plus 2.5 left brace, 2.5 less than or equal to "y" less than or equal to 3 , right bracey=x+2.52.5≤y≤3
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Expression 15: "y" equals negative "x" plus 2.5 left brace, 2.5 less than or equal to "y" less than or equal to 3 , right bracey=−x+2.52.5≤y≤3
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Expression 16: "y" equals "x" minus 2.5 left brace, negative 3 less than or equal to "y" less than or equal to negative 2.5 , right bracey=x−2.5−3≤y≤−2.5
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Expression 17: "y" equals negative "x" minus 2.5 left brace, negative 2.5 greater than or equal to "y" greater than or equal to negative 3 , right bracey=−x−2.5−2.5≥y≥−3
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Expression 18: "x" equals negative "y" plus 2.5 left brace, 2.5 less than or equal to "x" less than or equal to 3 , right bracex=−y+2.52.5≤x≤3
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Expression 19: "x" equals "y" minus 2.5 left brace, negative 2.5 greater than or equal to "x" greater than or equal to negative 3 , right bracex=y−2.5−2.5≥x≥−3
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Expression 20: "x" equals "y" plus 2.5 left brace, 2.5 less than or equal to "x" less than or equal to 3 , right bracex=y+2.52.5≤x≤3
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Expression 21: "x" equals negative "y" minus 2.5 left brace, negative 2.5 greater than or equal to "x" greater than or equal to negative 3 , right bracex=−y−2.5−2.5≥x≥−3
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Expression 22: left parenthesis, "x" minus "h" , right parenthesis squared plus left parenthesis, "y" minus "k" , right parenthesis squared equals "r"x−h2+y−k2=r
