Expression 8: StartFraction, left parenthesis, "x" minus .5 , right parenthesis squared Over .2 squared , EndFraction plus StartFraction, "y" squared Over .7 5 , EndFraction equals 1 left brace, "x" less than or equal to .5 , right brace Has graph. To audio trace, press ALT+T.x−.52.22+y2.75=1x≤.5
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Expression 9: StartFraction, left parenthesis, "x" minus .5 , right parenthesis squared Over .2 squared , EndFraction plus StartFraction, "y" squared Over .7 5 , EndFraction equals 1 left brace, "x" greater than or equal to .5 , right brace Has graph. To audio trace, press ALT+T.x−.52.22+y2.75=1x≥.5
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Expression 10: StartFraction, left parenthesis, "x" minus 1.5 , right parenthesis squared Over .2 squared , EndFraction plus StartFraction, "y" squared Over .7 5 , EndFraction equals 1 Has graph. To audio trace, press ALT+T.x−1.52.22+y2.75=1