Expression 18: "x" equals 1.3 left parenthesis, "y" plus 27.8 , right parenthesis minus 2 left brace, negative 26.2 greater than or equal to "y" greater than or equal to negative 28.5 , right bracex=1.3y+27.8−2−26.2≥y≥−28.5
18
Expression 19: "y" equals 3 sevenths StartAbsoluteValue, "x" minus 4 , EndAbsoluteValue minus 31.6 left brace, negative 3 less than or equal to "x" less than or equal to 11 , right bracey=37x−4−31.6−3≤x≤11
19
Expression 20: "x" equals negative 1.3 left parenthesis, "y" plus 27.8 , right parenthesis plus 10 left brace, negative 28.5 less than or equal to "y" less than or equal to negative 26.3 , right bracex=−1.3y+27.8+10−28.5≤y≤−26.3
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Expression 21: "y" equals 3 sevenths StartAbsoluteValue, "x" minus 4 , EndAbsoluteValue minus 15 left brace, "y" less than or equal to negative 13.2 , right bracey=37x−4−15y≤−13.2
21
Expression 22: left parenthesis, "x" minus 4 , right parenthesis squared plus left parenthesis, 3 "y" minus 15 , right parenthesis squared equals 19x−42+3y−152=19
22
Expression 23: left parenthesis, "x" minus 2 , right parenthesis squared plus left parenthesis, "y" plus 16.5 , right parenthesis squared equals 2 left brace, "y" greater than or equal to negative 16.5 , right bracex−22+y+16.52=2y≥−16.5
23
Expression 24: "x" equals 0.6 left brace, negative 16.5 greater than or equal to "y" greater than or equal to negative 25 , right bracex=0.6−16.5≥y≥−25
24
Expression 25: "x" equals 3.4 left brace, negative 25 less than or equal to "y" less than or equal to negative 16.5 , right bracex=3.4−25≤y≤−16.5
25
Expression 26: "x" equals 4.6 left brace, negative 25 less than or equal to "y" less than or equal to negative 16.5 , right bracex=4.6−25≤y≤−16.5
26
Expression 27: "x" equals 7.4 left brace, negative 25 less than or equal to "y" less than or equal to negative 16.5 , right bracex=7.4−25≤y≤−16.5
27
Expression 28: left parenthesis, "x" minus 6 , right parenthesis squared plus left parenthesis, "y" plus 16.5 , right parenthesis squared equals 2 left brace, "y" greater than or equal to negative 16.5 , right bracex−62+y+16.52=2y≥−16.5
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Expression 29: left parenthesis, "x" minus 6 , right parenthesis squared plus left parenthesis, "y" plus 25 , right parenthesis squared equals 2 left brace, "y" less than or equal to negative 25 , right bracex−62+y+252=2y≤−25
29
Expression 30: left parenthesis, "x" minus 2 , right parenthesis squared plus left parenthesis, "y" plus 25 , right parenthesis squared equals 2 left brace, "y" less than or equal to negative 25 , right bracex−22+y+252=2y≤−25
30
Expression 31: StartFraction, left parenthesis, "x" minus 6cos left parenthesis, negative 4.9 , right parenthesis minus "y" sin left parenthesis, negative 4.9 , right parenthesis , right parenthesis squared Over 25 , EndFraction plus StartFraction, left parenthesis, "x" sin left parenthesis, negative 4.9 , right parenthesis plus "y" plus 5cos left parenthesis, negative 4.9 , right parenthesis , right parenthesis squared Over 5 , EndFraction equals 1.5x−6cos−4.9−ysin−4.9225+xsin−4.9+y+5cos−4.925=1.5
31
Expression 32: StartFraction, left parenthesis, "x" minus 16cos left parenthesis, negative 7.4 , right parenthesis minus "y" sin left parenthesis, negative 7.4 , right parenthesis , right parenthesis squared Over 25 , EndFraction plus StartFraction, left parenthesis, "x" sin left parenthesis, negative 7.4 , right parenthesis plus "y" plus 19cos left parenthesis, negative 7.4 , right parenthesis , right parenthesis squared Over 5 , EndFraction equals 1.5x−16cos−7.4−ysin−7.4225+xsin−7.4+y+19cos−7.425=1.5
32
Expression 33: "y" equals negative 1 eighth left parenthesis, "x" minus 4 , right parenthesis squared minus 1 left brace, negative 3.4 less than or equal to "y" , right bracey=−18x−42−1−3.4≤y
33
Expression 34: negative "x" sine 1 plus "y" cosine 1 equals StartFraction, 1 Over 10 , EndFraction left parenthesis, "x" cos 1 plus "y" sin 1 minus 2.8 , right parenthesis squared plus negative 0.4 left brace, "x" greater than or equal to negative 2.8 , right brace left brace, "y" less than or equal to 6.3 , right brace−xsin1+ycos1=110xcos1+ysin1−2.82+−0.4x≥−2.8y≤6.3
34
Expression 35: negative "x" sine 5.3 plus "y" cosine 5.3 equals StartFraction, 1 Over 10 , EndFraction left parenthesis, "x" cos 5.3 plus "y" sin 5.3 minus 2.3 , right parenthesis squared plus 6.1 left brace, "x" less than or equal to 10.8 , right brace left brace, "y" less than or equal to 6.3 , right brace−xsin5.3+ycos5.3=110xcos5.3+ysin5.3−2.32+6.1x≤10.8y≤6.3
