表达式39: "y" equals negative 10.5 left brace, 17 greater than "x" greater than 16 , right bracey=−10.517>x>16
39
表达式40: "x" equals 16 left brace, negative 10.5 greater than "y" greater than negative 13 , right bracex=16−10.5>y>−13
40
表达式41: "y" equals negative 7 left brace, negative 22 less than "x" less than negative 20 , right bracey=−7−22<x<−20
41
表达式42: "x" equals negative 13 left brace, negative 10 greater than "y" greater than negative 13 , right bracex=−13−10>y>−13
42
表达式43: "y" equals negative 10 left brace, negative 13 less than "x" less than negative 11 , right bracey=−10−13<x<−11
43
表达式44: "x" equals negative 11 left brace, negative 10 greater than "y" greater than negative 13 , right bracex=−11−10>y>−13
44
表达式45: "y" equals negative 13 left brace, negative 13 less than "x" less than negative 11 , right bracey=−13−13<x<−11
45
表达式46: "x" equals negative 7 left brace, negative 13 less than "y" less than negative 10 , right bracex=−7−13<y<−10
46
表达式47: "x" equals negative 5 left brace, negative 10 greater than "y" greater than negative 13 , right bracex=−5−10>y>−13
47
表达式48: "y" equals negative 10 left brace, negative 5 greater than "x" greater than negative 7 , right bracey=−10−5>x>−7
48
表达式49: "y" equals negative 13 left brace, negative 5 greater than "x" greater than negative 7 , right bracey=−13−5>x>−7
49
表达式50: "y" equals negative 1 left brace, negative 3 greater than "x" greater than negative 7 , right bracey=−1−3>x>−7
50
表达式51: "y" equals negative 1.3 3 3 3 3 3 3 3 3 3 3 3 3 "x" minus 33.6 6 6 6 6 6 6 6 6 6 6 7 left brace, negative 20 less than "x" less than negative 17 , right bracey=−1.3333333333333x−33.666666666667−20<x<−17
51
表达式52: "y" equals negative 1.6 6 6 6 6 6 6 6 6 6 6 6 7 "x" minus 42.3 3 3 3 3 3 3 3 3 3 3 3 left brace, negative 20 less than "x" less than negative 17 , right bracey=−1.6666666666667x−42.333333333333−20<x<−17
52
表达式53: "y" equals 0.5 "x" minus 10 left brace, negative 1 less than "x" less than 1 , right bracey=0.5x−10−1<x<1
53
表达式54: "y" equals negative 1 "x" minus 13 left brace, negative 1 less than "x" less than 1 , right bracey=−1x−13−1<x<1
54
表达式55: "y" equals negative 0.8 5 7 1 4 2 8 5 7 1 4 "x" minus 11.8 5 7 1 left brace, 0 less than "x" less than 2.5 , right bracey=−0.85714285714x−11.85710<x<2.5
55
表达式56: "x" equals 7 left brace, 2.8 4 less than "y" less than 6 , right bracex=72.84<y<6
56
表达式57: "y" equals 13 left brace, 0 greater than "x" greater than negative 2 , right bracey=130>x>−2
57
表达式58: "y" equals negative 1 "x" plus 13 left brace, 0 less than "x" less than 2 , right bracey=−1x+130<x<2
58
表达式59: "y" equals 5 "x" plus 50 left brace, negative 10 less than "x" less than negative 8 , right bracey=5x+50−10<x<−8
59
表达式60: "y" equals negative 1 third "x" minus 10 thirds left brace, negative 10 less than "x" less than negative 7 , right bracey=−13x−103−10<x<−7
60
表达式61: "y" equals 0.5 "x" plus 0.5 left brace, negative 3 less than "x" less than 0 , right bracey=0.5x+0.5−3<x<0
61
表达式62: left parenthesis, "x" minus "a" , right parenthesis squared plus left parenthesis, "y" minus "b" , right parenthesis squared equals "r" squaredx−a2+y−b2=r2
62
(a,b) = center of the circle
63
r = radius of the circle
64
表达式65: left parenthesis, "x" minus negative 2 , right parenthesis squared plus left parenthesis, "y" minus 6 , right parenthesis squared equals 11 squaredx−−22+y−62=112
65
表达式66: left parenthesis, "x" minus 2.5 , right parenthesis squared plus left parenthesis, "y" minus 2 , right parenthesis squared equals 3 squared left brace, "y" greater than 0.5 , right bracex−2.52+y−22=32y>0.5
66
表达式67: left parenthesis, "x" minus 21 , right parenthesis squared plus left parenthesis, "y" minus negative 13 , right parenthesis squared equals 1 squaredx−212+y−−132=12
67
表达式68: left parenthesis, "x" minus negative 12 , right parenthesis squared plus left parenthesis, "y" minus negative 11.5 , right parenthesis squared equals 2.5 squaredx−−122+y−−11.52=2.52
68
表达式69: left parenthesis, "x" minus negative 6 , right parenthesis squared plus left parenthesis, "y" minus negative 11.5 , right parenthesis squared equals 2.5 squaredx−−62+y−−11.52=2.52
69
表达式70: "y" equals 1.2 5 "x" minus 5.9 left brace, 5.1 less than "x" less than 7 , right bracey=1.25x−5.95.1<x<7
70
表达式71: "y" equals negative 3 halves "x" plus 33 halves left brace, 7 greater than "x" greater than 5 , right bracey=−32x+3327>x>5
71
表达式72: "y" equals negative 0.5 "x" plus 11.5 left brace, 5 greater than "x" greater than 3 , right bracey=−0.5x+11.55>x>3
72
表达式73: "y" equals 1 "x" plus 18 left brace, negative 8 less than "x" less than negative 6 , right bracey=1x+18−8<x<−6
73
表达式74: "y" equals 2 "x" plus 4 left brace, 5 greater than "x" greater than 3 , right bracey=2x+45>x>3
74
表达式75: "y" equals 4 "x" plus 3 left brace, 2 less than "x" less than 3 , right bracey=4x+32<x<3
75
表达式76: "y" equals negative 0.5 "x" plus 16.5 left brace, 3 less than "x" less than 5 , right bracey=−0.5x+16.53<x<5
76
表达式77: "y" equals 1 quarter "x" plus 13.5 left brace, negative 6 less than "x" less than negative 2 , right bracey=14x+13.5−6<x<−2
77
表达式78: "y" equals 1 "x" minus 12 left brace, 0 less than "x" less than 2.5 , right bracey=1x−120<x<2.5
