Expression 13: "y" equals negative "x" plus 9.1 left brace, negative 1 less than "x" less than 2 , right bracey=−x+9.1−1<x<2
13
Expression 14: "y" equals 7 left brace, negative 1 less than "x" less than 2 , right bracey=7−1<x<2
14
Expression 15: .5 squared equals left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared.52=x+32+y−32
15
Expression 16: "r" equals 1r=1
negative 10−10
1010
16
Expression 17: .5 squared equals left parenthesis, "x" plus 8 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared.52=x+82+y−32
17
Expression 18: .5 squared equals left parenthesis, "x" plus 5.5 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared.52=x+5.52+y−32
18
Expression 19: .5 squared equals left parenthesis, "x" plus 0.5 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared.52=x+0.52+y−32
19
Expression 20: .5 squared equals left parenthesis, "x" minus 2 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared.52=x−22+y−32
20
Expression 21: 10 equals left parenthesis, "x" plus 20 , right parenthesis squared plus left parenthesis, "y" minus 20 , right parenthesis squared10=x+202+y−202