Expressió 9: StartFraction, left parenthesis, "x" plus 2.9 3 , right parenthesis squared Over 3.3 , EndFraction plus StartFraction, left parenthesis, "y" minus 2.4 , right parenthesis squared Over 25 , EndFraction equals 0.7x+2.9323.3+y−2.4225=0.7
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Expressió 10: StartFraction, left parenthesis, "x" minus 2.9 3 , right parenthesis squared Over 3.3 , EndFraction plus StartFraction, left parenthesis, "y" minus 2.4 , right parenthesis squared Over 25 , EndFraction equals 0.7x−2.9323.3+y−2.4225=0.7
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Expressió 11: "y" equals 0.0 9 "x" squared minus 3.2y=0.09x2−3.2
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Expressió 12: left parenthesis, "y" squared plus 1.4 "x" squared , right parenthesis squared equals 2.2 "y" cubed plus 150y2+1.4x22=2.2y3+150
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Expressió 13: left parenthesis, "y" squared plus "x" squared , right parenthesis squared equals negative left parenthesis, 7 "y" cubed plus 2.1 "y" "x" squared , right parenthesis plus 2y2+x22=−7y3+2.1yx2+2
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Expressió 14: "y" equals 1.2 left parenthesis, "x" plus 3.1 , right parenthesis squared minus 1.6 5y=1.2x+3.12−1.65
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Expressió 15: "y" equals 1.2 left parenthesis, "x" minus 3.1 , right parenthesis squared minus 1.6 5y=1.2x−3.12−1.65
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Expressió 16: "x" squared plus "y" squared equals 9x2+y2=9
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Expressió 17: "y" equals negative 0.4 "x" squared plus 4.2y=−0.4x2+4.2