Expression 13: "f" left parenthesis, "x" , right parenthesis equals StartRoot, left parenthesis, 2 "X" , right parenthesis squared minus left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis squared , EndRoot Has graph. To audio trace, press ALT+T.fx=2X2−x−D12
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Expression 14: "g" left parenthesis, "x" , right parenthesis equals negative StartRoot, left parenthesis, 2 "X" , right parenthesis squared minus "x" squared , EndRoot plus "B" Subscript, 2 , Baseline Has graph. To audio trace, press ALT+T.gx=−2X2−x2+B2
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Expression 15: "f" left parenthesis, "E" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "E" Subscript, 1 , Baseline , right parenthesis left brace, "E" Subscript, 1 , Baseline greater than "C" Subscript, 1 , Baseline , right brace Has regression. To access statistics, press Tab.fE1~gE1E1>C1
Expression 18: "y" equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "B" Subscript, 2 , Baseline Has graph. To audio trace, press ALT+T.y=m1x−B1+B2
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Expression 19: "y" equals "C" Subscript, 2 , Baseline equals 0 Has graph. To audio trace, press ALT+T.y=C2
equals=
00
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Expression 20: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "B" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline Has graph. To audio trace, press ALT+T.m1x−B1+B2=A2
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Expression 21: "A" Subscript, 1 , Baseline equals StartFraction, "A" Subscript, 2 , Baseline plus "m" Subscript, 1 , Baseline "B" Subscript, 1 , Baseline minus "B" Subscript, 2 , Baseline Over "m" Subscript, 1 , Baseline , EndFraction equals 11.7 2 2 0 0 3 4 9 6 2A1=A2+m1B1−B2m1
