Expression 7: left parenthesis, "x" minus StartFraction, 7 Over 1.8 , EndFraction , right parenthesis squared plus left parenthesis, "y" plus 7 , right parenthesis squared equals 10x−71.82+y+72=10
7
Expression 8: "x" squared plus left parenthesis, "y" plus 9.8 , right parenthesis squared equals 3x2+y+9.82=3
8
Expression 9: "y" less than or equal to negative 11.5 minus StartFraction, 1.5 Over 13.5 , EndFraction "x" squaredy≤−11.5−1.513.5x2
9
Expression 10: "y" equals negative 17y=−17
negative 17−17
1010
10
Expression 11: StartFraction, left parenthesis, "x" plus 8 , right parenthesis squared Over 4 , EndFraction plus StartFraction, left parenthesis, "y" plus 12 , right parenthesis squared Over 9 , EndFraction equals 1x+824+y+1229=1
11
Expression 12: StartFraction, left parenthesis, "x" minus 8 , right parenthesis squared Over 4 , EndFraction plus StartFraction, left parenthesis, "y" plus 12 , right parenthesis squared Over 9 , EndFraction equals 1x−824+y+1229=1
12
Expression 13: left parenthesis, "x" minus StartFraction, 4 Over 1.5 , EndFraction , right parenthesis squared plus left parenthesis, "y" plus 6 , right parenthesis squared equals .1x−41.52+y+62=.1
13
Expression 14: left parenthesis, "x" plus StartFraction, 8 Over 1.5 , EndFraction , right parenthesis squared plus left parenthesis, "y" plus 6 , right parenthesis squared equals .1x+81.52+y+62=.1