Expression 8: StartFraction, "x" squared Over 1.7 5 , EndFraction plus StartFraction, left parenthesis, "y" minus 0.5 , right parenthesis squared Over 1.5 , EndFraction equals 1 left brace, "y" less than or equal to 1.1 7 9 , right brace Has graph. To audio trace, press ALT+T.x21.75+y−0.521.5=1y≤1.179
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Expression 9: 35 left parenthesis, "x" plus 0.5 , right parenthesis squared plus 10 left parenthesis, "y" minus 0.8 5 , right parenthesis squared equals 1 Has graph. To audio trace, press ALT+T.35x+0.52+10y−0.852=1
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Expression 10: 35 left parenthesis, "x" minus 0.5 , right parenthesis squared plus 10 left parenthesis, "y" minus 0.8 5 , right parenthesis squared equals 1 Has graph. To audio trace, press ALT+T.35x−0.52+10y−0.852=1
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Expression 11: left parenthesis, "x" plus 0.5 , right parenthesis squared plus left parenthesis, "y" minus 0.9 5 , right parenthesis squared equals StartFraction, 1 Over 144 , EndFraction Has graph. To audio trace, press ALT+T.x+0.52+y−0.952=1144
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Expression 12: left parenthesis, "x" minus 0.5 , right parenthesis squared plus left parenthesis, "y" minus 0.9 5 , right parenthesis squared equals StartFraction, 1 Over 144 , EndFraction Has graph. To audio trace, press ALT+T.x−0.52+y−0.952=1144
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Expression 13: "y" equals negative 0.6 2 5 StartRoot, 1 minus "x" squared , EndRoot plus 0.7 5 left brace, negative 0.5 less than or equal to "x" less than or equal to 0.5 , right brace Has graph. To audio trace, press ALT+T.y=−0.6251−x2+0.75−0.5≤x≤0.5
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Expression 14: "y" equals 1.8 3 5 "x" squared minus 0.2 5 left brace, negative 0.5 less than or equal to "x" less than or equal to 0.5 , right brace Has graph. To audio trace, press ALT+T.y=1.835x2−0.25−0.5≤x≤0.5
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Expression 15: "x" squared plus left parenthesis, "y" plus 0.1 8 , right parenthesis squared equals StartFraction, 1 Over 49 , EndFraction left brace, "y" greater than or equal to negative 0.2 1 5 , right brace Has graph. To audio trace, press ALT+T.x2+y+0.182=149y≥−0.215
