Expression 19: negative "b" squared left parenthesis, StartFraction, "a" "y" minus "a" Over "b" minus 1 , EndFraction , right parenthesis squared minus "b" "c" left parenthesis, StartFraction, "a" "y" minus "a" Over "b" minus 1 , EndFraction , right parenthesis squared plus "a" squared "y" squared minus "c" squared "y" squared plus "b" squared plus "b" "c" plus "a" squared "y" minus "c" squared "y" equals 0−b2ay−ab−12−bcay−ab−12+a2y2−c2y2+b2+bc+a2y−c2y=0
19
Expression 20: left parenthesis, StartFraction, "a" "y" minus "a" Over "b" minus 1 , EndFraction , right parenthesis equals "x"ay−ab−1=x
20
Expression 21: negative "b" squared left parenthesis, StartFraction, "a" squared "y" squared minus 2 "a" squared "y" plus "a" squared Over "b" squared minus 2 "b" plus 1 , EndFraction , right parenthesis minus "b" "c" left parenthesis, StartFraction, "a" squared "y" squared minus 2 "a" squared "y" plus "a" squared Over "b" squared minus 2 "b" plus 1 , EndFraction , right parenthesis plus "a" squared "y" squared minus "c" squared "y" squared plus "b" squared plus "b" "c" plus "a" squared "y" minus "c" squared "y" equals 0−b2a2y2−2a2y+a2b2−2b+1−bca2y2−2a2y+a2b2−2b+1+a2y2−c2y2+b2+bc+a2y−c2y=0
21
Expression 22: "y" squared left parenthesis, StartFraction, negative "b" squared "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction minus StartFraction, "b" "c" "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus "a" squared minus "c" squared , right parenthesis plus "y" left parenthesis, StartFraction, 2 "a" squared "b" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus StartFraction, 2 "a" squared "b" "c" Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus "a" squared minus "c" squared , right parenthesis plus left parenthesis, negative StartFraction, "b" squared "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction minus StartFraction, "b" "c" "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus "b" squared plus "b" "c" , right parenthesis equals 0y2−b2a2b−12−bca2b−12+a2−c2+y2a2b2b−12+2a2bcb−12+a2−c2+−b2a2b−12−bca2b−12+b2+bc=0
22
Expression 23: "A" equals left parenthesis, StartFraction, negative "b" squared "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction minus StartFraction, "b" "c" "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus "a" squared minus "c" squared , right parenthesis equals negative 12.2 6 4A=−b2a2b−12−bca2b−12+a2−c2
equals=
negative 12.2 6 4−12.264
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Expression 24: "B" equals left parenthesis, StartFraction, 2 "a" squared "b" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus StartFraction, 2 "a" squared "b" "c" Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus "a" squared minus "c" squared , right parenthesis equals 24.2 9 2 8B=2a2b2b−12+2a2bcb−12+a2−c2
equals=
24.2 9 2 824.2928
24
Expression 25: "C" equals left parenthesis, negative StartFraction, "b" squared "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction minus StartFraction, "b" "c" "a" squared Over left parenthesis, "b" minus 1 , right parenthesis squared , EndFraction plus "b" squared plus "b" "c" , right parenthesis equals negative 10.9 9 5 6C=−b2a2b−12−bca2b−12+b2+bc
equals=
negative 10.9 9 5 6−10.9956
25
Expression 26: "G" Subscript, 1 , Baseline equals StartFraction, negative "B" plus StartRoot, "B" squared minus 4 "A" "C" , EndRoot Over 2 "A" , EndFraction equals 0.7G1=−B+B2−4AC2A
equals=
0.70.7
26
Expression 27: "H" Subscript, 1 , Baseline equals left parenthesis, StartFraction, "a" "G" Subscript, 1 , Baseline minus "a" Over "b" minus 1 , EndFraction , right parenthesis equals negative 0.9 6H1=aG1−ab−1
equals=
negative 0.9 6−0.96
27
P: left parenthesis, "H" Subscript, 1 , Baseline , "G" Subscript, 1 , Baseline , right parenthesis equals left parenthesis, negative 0.9 6 , 0.7 , right parenthesis Has graph. To audio trace, press ALT+T.H1,G1
Label:
equals=
left parenthesis, negative 0.9 6 , 0.7 , right parenthesis−0.96,0.7
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Expression 29: "G" Subscript, 2 , Baseline equals StartFraction, negative "B" minus StartRoot, "B" squared minus 4 "A" "C" , EndRoot Over 2 "A" , EndFraction equals 1.2 8 0 8 2 1 9 1 7 8 1G2=−B−B2−4AC2A
equals=
1.2 8 0 8 2 1 9 1 7 8 11.28082191781
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Expression 30: "H" Subscript, 2 , Baseline equals left parenthesis, StartFraction, "a" "G" Subscript, 2 , Baseline minus "a" Over "b" minus 1 , EndFraction , right parenthesis equals 0.8 9 8 6 3 0 1 3 6 9 8 6H2=aG2−ab−1
equals=
0.8 9 8 6 3 0 1 3 6 9 8 60.898630136986
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Q: left parenthesis, "H" Subscript, 2 , Baseline , "G" Subscript, 2 , Baseline , right parenthesisH2,G2
Expression 32: "M" equals "y" left parenthesis, "y" plus 1 , right parenthesis left parenthesis, "y" minus StartFraction, "b" minus 1 Over "a" , EndFraction "x" minus 1 , right parenthesisM=yy+1y−b−1ax−1
32
Expression 33: "N" equals left parenthesis, negative "b" squared "x" squared minus "b" "c" "x" squared plus "a" squared "y" squared minus "c" squared "y" squared plus "b" squared "z" squared plus "b" "c" "z" squared plus "a" squared "y" "z" minus "c" squared "y" "z" , right parenthesis "x"N=−b2x2−bcx2+a2y2−c2y2+b2z2+bcz2+a2yz−c2yzx
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Expression 34: 0 equals "m" "M" plus "n" "N"0=mM+nN
