Expression 13: left parenthesis, "y" minus 5 halves , right parenthesis squared plus left parenthesis, "x" plus 2 thirds , right parenthesis squared equals 1y−522+x+232=1
13
Expression 14: left parenthesis, "y" minus 5 , right parenthesis squared plus left parenthesis, "x" plus 3 halves , right parenthesis squared equals 1 quartery−52+x+322=14
14
Expression 15: left parenthesis, "y" minus 9 halves , right parenthesis squared plus left parenthesis, "x" plus 3 halves , right parenthesis squared equals 1y−922+x+322=1
15
Expression 16: left parenthesis, "y" minus 4 , right parenthesis squared plus left parenthesis, "x" minus 3 halves , right parenthesis squared equals 1 quartery−42+x−322=14
16
Expression 17: left parenthesis, "y" minus 9 halves , right parenthesis squared plus left parenthesis, "x" minus 3 halves , right parenthesis squared equals 1y−922+x−322=1
17
Expression 18: left parenthesis, "y" minus 9 , right parenthesis squared plus "x" squared equals 4y−92+x2=4
18
Expression 19: left parenthesis, "y" plus 1 , right parenthesis squared plus "x" squared equals 4y+12+x2=4
19
Expression 20: left parenthesis, "y" minus 15 halves , right parenthesis squared plus left parenthesis, "x" plus 7 halves , right parenthesis squared equals 4y−1522+x+722=4
20
Expression 21: left parenthesis, "y" minus 15 halves , right parenthesis squared plus left parenthesis, "x" minus 7 halves , right parenthesis squared equals 4y−1522+x−722=4
21
Expression 22: left parenthesis, "y" minus 1 half , right parenthesis squared plus left parenthesis, "x" minus 7 halves , right parenthesis squared equals 4y−122+x−722=4
22
Expression 23: left parenthesis, "y" minus 1 half , right parenthesis squared plus left parenthesis, "x" plus 7 halves , right parenthesis squared equals 4y−122+x+722=4
23
Expression 24: left parenthesis, "y" minus 4 , right parenthesis squared plus left parenthesis, "x" plus 5 , right parenthesis squared equals 4y−42+x+52=4
24
Expression 25: left parenthesis, "y" minus 4 , right parenthesis squared plus left parenthesis, "x" minus 5 , right parenthesis squared equals 4y−42+x−52=4