Hidden Label: left parenthesis, negative 4 , 4 , right parenthesis−4,4
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8
Hidden Label: left parenthesis, 0 , negative 4 , right parenthesis0,−4
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9
Hidden Label: left parenthesis, negative 4 , 0 , right parenthesis−4,0
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10
Hidden Label: left parenthesis, 4 , negative 4 , right parenthesis4,−4
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11
Expression 12: "x" squared plus "y" squared equals 15x2+y2=15
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Expression 13: "x" squared positive "y" squared equals 16x2+y2=16
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Expression 14: "y" "x" equals 4sine left parenthesis, StartFraction, "x" Over left parenthesis, 2 , right parenthesis , EndFraction , right parenthesisyx=4sinx2
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Expression 15: "y" "x" equals negative 4 sine left parenthesis, StartFraction, "x" Over left parenthesis, 2 , right parenthesis , EndFraction , right parenthesisyx=−4sinx2
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Expression 16: "x" squared positive "y" squared equals 32x2+y2=32